1 2006-03-08 DJ Delorie <dj@redhat.com>
3 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
4 (addpsi3): Expand to include memory operands. Remove
5 reload-specific splits.
6 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
7 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
8 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
9 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
10 (shift1_qi, shift1_hi, insv): New.
11 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
12 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
13 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
15 * config/m32c/m32c-protos.h: Update as needed.
16 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
17 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
18 Fail for unrecognized R* constraints.
19 (m32c_cannot_change_mode_class): Be more picky about pseudos.
20 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
21 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
23 (m32c_init_libfuncs): New.
24 (m32c_legitimate_address_p): Add debug wrapper.
25 (m32c_rtx_costs): New.
26 (m32c_address_cost): New.
27 (conversions): Add 'B' prefix.
28 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
29 operands, or word regnames for QI operands. 'B' prints bit
31 (m32c_expand_setmemhi): New.
32 (m32c_expand_movmemhi): New.
33 (m32c_expand_movstr): New.
34 (m32c_expand_cmpstr): New.
35 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
36 (m32c_expand_neg_mulpsi3): Handle non-ints.
37 (m32c_cmp_flg_0): New.
38 (m32c_expand_movcc): New.
39 (m32c_expand_insv): New.
40 (m32c_scc_pattern): New.
41 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
43 (STORE_FLAG_VALUE): New.
44 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
47 * config/m32c/mov.md: Make constraints more liberal.
48 (zero_extendqihi2): Optimize r0/r1 case.
49 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
50 * config/m32c/predicates.md (m32c_any_operand): New.
51 (m32c_nonimmediate_operand): New.
52 (m32c_hl_operand): New.
53 (m32c_r3_operand): New.
56 (memsym_operand): New.
57 (memimmed_operand): New.
59 (m32c_eqne_operator): New.
60 (m32c_1bit8_operand): New.
61 (m32c_1bit16_operand): New.
62 (m32c_1mask8_operand): New.
63 (m32c_1mask16_operand): New.
64 * config/m32c/blkmov.md: New file.
65 * config/m32c/t-m32c (MD_FILES): Add blkmov.
67 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
69 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
70 unsigned to fix signed/unsigned comparison issue in
72 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
73 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
75 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
76 of ptr into the ENABLE_CHECKING section.
78 2006-03-08 Jeff Law <law@redhat.com>
80 * tree-vrp.c (infer_value_range): Only count pointer uses
81 and dereferences if -fdelete-null-pointer-checks is enabled.
83 * tree-vrp.c (find_assert_locations): Infer value ranges for
84 single use pointers, but do not create ASSERT_EXPRs for them.
85 When a non-null range is inferred for a pointer, backwards
86 propagate that range to other equivalent pointers through the
89 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
92 * Makefile.in (dvi, html, install-info): Invoke the corresponding
93 language hook targets.
94 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
95 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
96 if language hook targets were missing.
98 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
100 * tree-ssa-opfinalize.h: Removed.
101 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
103 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
104 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
105 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
106 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
107 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
108 finalize_ssa_v_must_def_ops): New.
110 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
112 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
115 2006-03-07 Geoffrey Keating <geoffk@apple.com>
117 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
119 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
120 addresses with offsets; reorganize.
122 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
123 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
124 (expand_builtin_init_dwarf_reg_sizes): Likewise.
126 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
129 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
131 2006-03-08 Ben Elliston <bje@au.ibm.com>
133 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
135 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
138 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
141 2006-03-07 Richard Guenther <rguenther@suse.de>
143 PR tree-optimization/26587
144 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
146 2006-03-07 Richard Sandiford <richard@codesourcery.com>
148 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
150 2006-03-07 Richard Sandiford <richard@codesourcery.com>
152 * hooks.c (hook_bool_mode_rtx_true): New function.
153 * hooks.h (hook_bool_mode_rtx_true): Declare.
154 * toplev.c (compile_file): Call output_shared_constant_pool.
155 * varasm.c (shared_constant_pool): New variable.
156 (assemble_start_function, assemble_end_function): Remove arguments
157 from call to output_constant_pool.
158 (create_constant_pool): New function, split out from...
159 (init_varasm_status): ...here.
160 (force_const_mem): Choose between the shared and per-function constant
161 pools. Set current_function_uses_const_pool when reusing old entries
162 as well as when creating new ones.
163 (mark_constant): Ignore data argument.
164 (mark_constants): Remove pool argument.
165 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
166 to decide whether the function uses a constant pool.
167 (output_constant_pool_contents): New function, split out from...
168 (output_constant_pool): ...here.
169 (output_shared_constant_pool): New function.
170 (init_varasm_once): Initialize shared_constant_pool.
171 * output.h (output_constant_pool): Delete.
172 (output_shared_constant_pool): Declare.
173 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
174 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
176 2006-03-06 Nick Clifton <nickc@redhat.com>
178 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
179 flag_strength_reduce.
181 2006-03-06 Ben Elliston <bje@au.ibm.com>
183 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
184 x86_64-*-linux* configurations.
186 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
187 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
189 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
191 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
193 * basic-block.h: Remove the extern for
194 rediscover_loops_after_threading.
196 * cfgloop.c (cancel_loop): Make it static.
197 * cfgloop.h: Remove the prototype for cancel_loop.
199 * flow.c (recompute_reg_usage): Make it static.
200 * rtl.h: Remove the prototype for recompute_reg_usage.
202 * function.c (use_return_register): Make it static.
203 * function.h: Remove the prototype.
205 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
207 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
209 * recog.h: Remove the prototype for
210 validate_change_maybe_volatile.
212 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
214 * rtlanal.c (replace_reg): Remove.
215 * rtl.h: Remove the prototype for replace_reg.
217 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
219 * regclass.c (reg_scan_update): Remove.
220 (reg_scan_mark_refs): Remove the last argument.
221 * rtl.h: Remove the prototype for reg_scan_update.
223 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
225 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
226 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
227 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
228 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
229 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
230 loop-invariant.c, omp-low.c, opts.c, passes.c,
231 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
232 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
233 tree-ssa-structalias.c, tree-ssa-threadedge.c,
234 tree-ssa-threadupdate.c, tree-vect-patterns.c,
235 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
236 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
238 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
240 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
241 * dwarf2out.h: Remove the prototype for
242 dwarf2out_add_library_unit_info.
244 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
246 * tree.c (add_var_to_bind_expr): Remove.
247 * tree.h: Remove the prototype for add_var_to_bind_expr.
249 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
251 * regclass.c (n_non_fixed_regs): Remove.
252 (init_reg_sets_1, globalize_reg): Remove all uses of
254 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
256 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
258 * rtlanal.c (insns_safe_to_move_p): Remove.
259 * rtl.h: Remove the prototype for insns_safe_to_move_p.
261 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
263 * expmed.c (expand_mult_add): Remove.
264 * expr.h: Remove the prototype for expand_mult_add.
266 2006-03-04 Jakub Jelinek <jakub@redhat.com>
268 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
269 and REG_SAVED_VAL_EXP constants.
270 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
271 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
272 Handle regs stored by value.
273 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
274 (execute_cfa_program): Handle DW_CFA_val_offset,
275 DW_CFA_val_offset_sf and DW_CFA_val_expression.
276 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
277 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
278 (uw_install_context_1): Handle target regs stored by value.
280 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
282 * tree-sra.c (tree_sra): Return todoflags;
283 (generate_one_element): Set TODO_update_smt_usage if needed.
284 (pass_sra): Remove TODO_update_smt_usage.
285 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
287 (tree_ssa_forward_propagate_single_use_vars): Return
288 TODO_update_smt_usage if we need to update SMT usage.
289 (pass_forwprop): Remove TODO_update_smt_usage.
291 2006-03-03 Diego Novillo <dnovillo@redhat.com>
293 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
294 (correct_use_link): Remove reference to get_stmt_operands.
295 (update_stmt_operands): Likewise.
296 (get_modify_expr_operands): New function factored out of
297 parse_ssa_operands and get_expr_operands.
298 Try to create V_MUST_DEFs for LHS by default.
299 (get_expr_operands) <case MODIFY_EXPR>: Call
300 get_modify_expr_operands.
301 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
302 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
303 (parse_ssa_operands) <case MODIFY_EXPR>: Call
304 get_modify_expr_operands.
306 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
308 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
309 * tree-flow.h: Remove the prototype for
310 referenced_var_lookup_if_exists.
312 2006-03-03 Steve Ellcey <sje@cup.hp.com>
314 PR rtl-optimization/26345
316 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
318 2006-03-03 Roger Sayle <roger@eyesopen.com>
320 PR tree-optimization/26524
321 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
322 fold_convert to create a constant of the appropriate type.
324 2006-03-03 Richard Sandiford <richard@codesourcery.com>
326 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
327 SYMBOL_REF_IN_BLOCK_P.
328 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
329 of SYMBOL_FLAG_IN_BLOCK.
330 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
331 instead of SYMBOL_REF_IN_BLOCK_P.
332 * explow.c (use_anchored_address): Likewise.
333 * rtl.c (rtx_size): Likewise.
334 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
335 instead of SYMBOL_FLAG_IN_BLOCK.
336 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
337 SYMBOL_REF_IN_BLOCK_P.
338 (assemble_variable): Likewise.
339 (output_constant_def_contents): Likewise.
340 (output_constant_pool): Likewise.
341 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
342 instead of SYMBOL_FLAG_IN_BLOCK.
343 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
344 SYMBOL_REF_IN_BLOCK_P.
345 (SYMBOL_REF_BLOCK): Likewise.
346 (SYMBOL_REF_OFFSET): Likewise.
347 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
348 SYMBOL_REF_IN_BLOCK_P.
349 (SYMBOL_FLAG_IN_BLOCK): Replace with...
350 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
351 (SYMBOL_REF_IN_BLOCK_P): Replace with...
352 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
354 2006-03-03 Jakub Jelinek <jakub@redhat.com>
356 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
358 2006-03-02 Roger Sayle <roger@eyesopen.com>
360 * simplify-rtx.c (simplify_unary_operation): When simplifying
361 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
362 that we perform the right shift in the appropriate mode, and
363 then extend or truncate the result to requested mode.
365 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
367 * gengtype.c (main): Handle double_int type.
368 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
369 * double-int.c: New file.
370 * double-int.h: New file.
371 * system.h: Include doubleint.h.
372 * Makefile.in (SYSTEM_H): Include double-int.h.
375 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
378 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
381 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
383 * tree-vrp.c (remove_range_assertions): Do not update statements
386 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
388 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
390 * gcse.c (rest_of_handle_gcse): Ditto.
391 * except.c (gate_handle_eh): Ditto.
392 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
393 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
395 2006-03-02 Eric Christopher <echristo@apple.com>
397 * config/i386/i386.c (machopic_output_stub): Add indirection to
400 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
404 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
406 Sun Niagara specific optimizations.
407 * config.gcc: Recognize niagara as target.
408 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
409 (TARGET_CPU_niagara): Define.
410 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
411 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
412 (CPP_CPU_SPEC): Handle -mcpu=niagara.
413 (ASM_CPU_SPEC): Likewise.
414 (PROCESSOR_NIAGARA): New enum entry.
415 (REGISTER_MOVE_COST): Handle Niagara.
416 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
417 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
418 (sparc_override_options): Recognize "niagara", set appropriate
419 default MASK_* values for it, and align functions to 32-bytes
420 by default just like ULTRASPARC/ULTRASPARC3.
421 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
422 (sparc64_initialize_trampoline): Likewise.
423 (sparc_use_sched_lookahead): Use zero for niagara.
424 (sparc_issue_rate): Use one for niagara.
425 * config/sparc/niagara.md: New file.
426 * config/sparc/sparc.md: Include it.
427 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
428 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
429 when default cpu is niagara.
430 (CPP_CPU_SPEC): Handle -mcpu=niagara.
431 (ASM_CPU_SPEC): Likewise.
432 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
433 when default cpu is niagara.
434 (ASM_CPU_SPEC): Handle -mcpu=niagara.
435 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
436 just like v9/ultrasparc/ultrasparc3.
437 * doc/invoke.texi: Add documentation for "niagara" and improve
438 existing documentation for ultrasparc variants.
440 2006-03-02 Diego Novillo <dnovillo@redhat.com>
442 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
444 2006-03-02 Richard Sandiford <richard@codesourcery.com>
446 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
447 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
448 and say that only one is needed.
449 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
450 * target.h (have_switchable_bss_sections): New hook.
451 * explow.c (use_anchored_address): Check that the symbol is in a block.
452 * varasm.c (tls_comm_section, comm_section, lcomm_section)
453 (bss_noswitch_section): New variables.
454 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
455 (get_noswitch_section): New function.
456 (get_block_for_section): Allow SECT to be null.
457 (unlikely_text_section_p): Use SECTION_STYLE.
458 (bss_initializer_p): New function.
459 (get_variable_section): Move earlier in file. Take a new argument,
460 prefer_noswitch_p. Move bss checks from assemble_variable to here.
461 Return one of the new *_sections in such cases.
462 (get_block_for_decl): New function, extracting some logic from
463 use_blocks_for_decl_p.
464 (change_symbol_section): Remove in favor of...
465 (change_symbol_block): ...this new function.
466 (use_blocks_for_decl_p): Remove checks now performed by
468 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
469 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
470 (emit_local, emit_bss, emit_common): ...these new functions.
471 Return true if the alignment was honored.
472 (emit_tls_common): New function.
473 (asm_emit_uninitialised): Delete.
474 (assemble_variable_noswitch): New function, split out from...
475 (assemble_variable): ...here. Don't make decisions about common
476 variables here. Globalize all public decls that go into non-common
477 sections. Check whether SYMBOL_REF_BLOCK is null.
478 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
479 (output_constant_pool): Likewise.
480 (init_varasm_once): Initialize the new section variables.
481 (have_global_bss_p): New function.
482 (categorize_decl_for_section): Use bss_initializer_p.
483 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
484 (place_block_symbol): Assert that the symbol must be in a block.
485 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
486 (TARGET_INITIALIZER): Include it.
487 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
488 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
489 (SECTION_MACH_DEP): Bump by two.
490 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
491 (unnamed_section): Mention SECTION_UNNAMED in comment.
492 (named_section): Likewise SECTION_NAMED.
493 (noswitch_section_callback): New type.
494 (noswitch_section): New structure.
495 (section): Add a noswitch_section alternative.
496 (SECTION_STYLE): New macro.
497 (tls_comm_section, comm_section, lcomm_section): Declare.
498 (bss_noswitch_section, have_global_bss_p): Declare.
499 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
500 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
502 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
503 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
506 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
508 * gcc/tree-vrp.c (execute_vrp): Return value.
509 * gcc/regrename.c (rest_of_handle_regrename): Ditto.
510 * gcc/tree-into-ssa.c (rewrite_into_ssa): Ditto.
511 * gcc/tree-complex.c (tree_lower_complex): Ditto.
512 (tree_lower_complex_O0): Ditto.
513 * gcc/tracer.c (rest_of_handle_tracer): Ditto.
514 * gcc/postreload-gcse.c (rest_of_handle_gcse2): Ditto.
515 * gcc/postreload.c (rest_of_handle_postreload): Ditto.
516 * gcc/tree-tailcall.c (execute_tail_recursion): Ditto.
517 (execute_tail_calls): Ditto.
518 * gcc/tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
519 * gcc/tree.h (init_function_for_compilation): Ditto.
520 * gcc/ipa-cp.c (ipcp_driver): Ditto.
521 * gcc/tree-scalar-evolution.c (scev_const_prop): Ditto.
522 * gcc/tree-scalar-evolution.h (scev_const_prop): Ditto.
523 * gcc/final.c (compute_alignments): Ditto.
524 (rest_of_handle_final): Ditto.
525 (rest_of_handle_shorten_branches): Ditto.
526 (rest_of_clean_state): Ditto.
527 * gcc/omp-low.c (execute_expand_omp): Ditto.
528 (execute_lower_omp): Ditto.
529 * gcc/tree-ssa-dse.c (tree_ssa_dse): Ditto.
530 * gcc/ipa-reference.c (static_execute): Ditto.
531 * gcc/tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
532 * gcc/reorg.c (rest_of_handle_delay_slots): Ditto.
533 (rest_of_handle_machine_reorg): Ditto.
534 * gcc/cgraphunit.c (rebuild_cgraph_edges): Ditto.
535 * gcc/flow.c (recompute_reg_usage): Ditto.
536 (rest_of_handle_remove_death_notes): Ditto.
537 (rest_of_handle_life): Ditto.
538 (rest_of_handle_flow2): Ditto.
539 * gcc/tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
540 * gcc/tree-ssa-ccp.c (do_ssa_ccp): Ditto.
541 (do_ssa_store_ccp): Ditto.
542 (execute_fold_all_builtins): Ditto.
543 * gcc/mode-switching.c (rest_of_handle_mode_switching): Ditto.
544 * gcc/modulo-sched.c (rest_of_handle_sms): Ditto.
545 * gcc/ipa-pure-const.c (static_execute): Ditto.
546 * gcc/cse.c (rest_of_handle_cse): Ditto.
547 (rest_of_handle_cse2): Ditto.
548 * gcc/web.c (rest_of_handle_web): Ditto.
549 * gcc/tree-stdarg.c (execute_optimize_stdarg): Ditto.
550 * gcc/tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
551 * gcc/tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
552 * gcc/tree-nrv.c (tree_nrv): Ditto.
553 (execute_return_slot_opt): Ditto.
554 * gcc/tree-ssa-alias.c (compute_may_aliases): Ditto.
555 (create_structure_vars): Ditto.
556 * gcc/loop-init.c (rtl_loop_init): Ditto.
557 (rtl_loop_done): Ditto.
558 (rtl_move_loop_invariants): Ditto.
559 (rtl_unswitch): Ditto.
560 (rtl_unroll_and_peel_loops): Ditto.
562 * gcc/gimple-low.c (lower_function_body): Ditto.
563 (mark_used_blocks): Ditto.
564 * gcc/tree-ssa-sink.c (execute_sink_code): Ditto.
565 * gcc/ipa-inline.c (cgraph_decide_inlining): Ditto.
566 (cgraph_early_inlining): Ditto.
567 * gcc/global.c (rest_of_handle_global_alloc): Ditto.
568 * gcc/jump.c (cleanup_barriers): Ditto.
569 (purge_line_number_notes): Ditto.
570 * gcc/ifcvt.c (rest_of_handle_if_conversion): Ditto.
571 (rest_of_handle_if_after_reload): Ditto.
572 * gcc/tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
573 (tree_ssa_loop_im): Ditto.
574 (tree_ssa_loop_unswitch): Ditto.
575 (tree_vectorize): Ditto.
576 (tree_linear_transform): Ditto.
577 (tree_ssa_loop_ivcanon): Ditto.
578 (tree_ssa_empty_loop): Ditto.
579 (tree_ssa_loop_bounds): Ditto.
580 (tree_complete_unroll): Ditto.
581 (tree_ssa_loop_prefetch): Ditto.
582 (tree_ssa_loop_ivopts): Ditto.
583 (tree_ssa_loop_done): Ditto.
584 * gcc/predict.c (tree_estimate_probability): Ditto.
585 * gcc/recog.c (split_all_insns_noflow): Ditto.
586 (rest_of_handle_peephole2): Ditto.
587 (rest_of_handle_split_all_insns): Ditto.
588 * gcc/tree-eh.c (lower_eh_constructs): Ditto.
589 * gcc/regmove.c (rest_of_handle_regmove): Ditto.
590 (rest_of_handle_stack_adjustments): Ditto.
591 * gcc/local-alloc.c (rest_of_handle_local_alloc): Ditto.
592 * gcc/function.c (instantiate_virtual_regs): Ditto.
593 (init_function_for_compilation): Ditto.
594 (rest_of_handle_check_leaf_regs): Ditto.
595 * gcc/gcse.c (rest_of_handle_jump_bypass): Ditto.
596 (rest_of_handle_gcse): Ditto.
597 * gcc/ipa-type-escape.c (type_escape_execute): Ditto.
598 * gcc/alias.c (rest_of_handle_cfg): Ditto.
599 * gcc/tree-if-conv.c (main_tree_if_conversion): Ditto.
600 * gcc/profile.c (rest_of_handle_branch_prob): Ditto.
601 * gcc/tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
602 * gcc/rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
603 * gcc/bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
604 * gcc/tree-dfa.c (find_referenced_vars): Ditto.
605 * gcc/except.c (set_nothrow_function_flags): Ditto.
606 (convert_to_eh_region_ranges): Ditto.
607 (rest_of_handle_eh): Ditto.
608 * gcc/emit-rtl.c (unshare_all_rtl): Ditto.
609 (remove_unnecessary_notes): Ditto.
610 * gcc/except.h (set_nothrow_function_flags): Ditto.
611 (convert_to_eh_region_ranges): Ditto.
612 * gcc/cfgexpand.c (tree_expand_cfg): Ditto.
613 * gcc/tree-cfgcleanup.c (merge_phi_nodes): Ditto.
614 * gcc/tree-ssa-pre.c (do_pre): Ditto.
615 (execute_fre): Ditto.
616 * gcc/cfgcleanup.c (rest_of_handle_jump): Ditto.
617 (rest_of_handle_jump2): Ditto.
618 * gcc/tree-sra.c (tree_sra): Ditto.
619 * gcc/tree-mudflap.c (execute_mudflap_function_ops): Ditto.
620 (execute_mudflap_function_decls): Ditto.
621 * gcc/tree-ssa-copy.c (do_copy_prop): Ditto.
622 (do_store_copy_prop): Ditto.
623 * gcc/ipa-prop.h (ipcp_driver): Ditto.
624 * gcc/cfglayout.c (insn_locators_initialize): Ditto.
625 * gcc/tree-ssa-forwprop.c
626 (tree_ssa_forward_propagate_single_use_vars): Ditto.
627 * gcc/cfglayout.h (insn_locators_initialize): Ditto.
628 * gcc/tree-ssa-dce.c (tree_ssa_dce): Ditto.
629 * gcc/tree-ssa.c (execute_early_warn_uninitialized): Ditto.
630 (execute_late_warn_uninitialized): Ditto.
631 * gcc/rtl.h (cleanup_barriers): Ditto.
632 (split_all_insns_noflow): Ditto.
633 (purge_line_number_notes): Ditto.
634 (unshare_all_rtl): Ditto.
635 (remove_unnecessary_notes): Ditto.
636 (recompute_reg_usage): Ditto.
637 (variable_tracking_main): Ditto.
638 * gcc/integrate.c (emit_initial_value_sets): Ditto.
639 * gcc/integrate.h (emit_initial_value_sets): Ditto.
640 * gcc/tree-optimize.c (execute_free_datastructures): Ditto
641 (execute_free_cfg_annotations): Ditto.
642 (execute_fixup_cfg): Ditto.
643 (execute_cleanup_cfg_pre_ipa): Ditto.
644 (execute_cleanup_cfg_post_optimizing): Ditto.
645 (execute_init_datastructures): Ditto.
646 * gcc/tree-object-size.c (compute_object_sizes): Ditto.
647 * gcc/combine.c (rest_of_handle_combine): Ditto.
648 * gcc/tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
649 * gcc/bb-reorder.c (duplicate_computed_gotos): Ditto.
650 (rest_of_handle_reorder_blocks): Ditto.
651 (rest_of_handle_partition_blocks): Ditto.
652 * gcc/var-tracking.c (variable_tracking_main): Ditto.
653 * gcc/tree-profile.c (tree_profiling): Ditto.
654 * gcc/tree-vect-generic.c (expand_vector_operations): Ditto.
655 * gcc/reg-stack.c (rest_of_handle_stack_regs): Ditto.
656 * gcc/sched-rgn.c (rest_of_handle_sched): Ditto.
657 (rest_of_handle_sched2): Ditto.
658 * gcc/basic-block.h (free_bb_insn): Ditto.
659 * gcc/tree-ssa-structalias.c (ipa_pta_execute): Ditto.
660 * gcc/tree-cfg.c (execute_build_cfg): Ditto.
661 (remove_useless_stmts): Ditto.
662 (split_critical_edges): Ditto.
663 (execute_warn_function_return): Ditto.
664 (execute_warn_function_noreturn): Ditto.
665 * gcc/tree-ssa-reassoc.c (execute_reassoc): Ditto.
666 * gcc/cfgrtl.c (free_bb_for_insn): Ditto.
667 * gcc/passes.c (execute_one_pass): Run additional
668 todos returned by execute function.
669 * gcc/tree-pass.h (struct tree_opt_pass): Make execute
672 2006-03-02 Richard Guenther <rguenther@suse.de>
674 * tree-ssa-alias.c (find_used_portions): Consider taking
675 the address as making the variable not write-only.
677 2006-03-02 Nick Clifton <nickc@redhat.com>
679 * config.gcc (default_use_cxa_atexit): Extend the description of
680 this configure variable. Set its default value to "yes" for
681 Linux, NetBSD and ELF targets on the assumption that they will
682 use C libraries with the __cxa_atexit function.
684 2006-03-02 Ben Elliston <bje@au.ibm.com>
686 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
687 parameter as unused to suppress a build warning.
689 2006-03-02 Ben Elliston <bje@au.ibm.com>
691 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
694 2006-03-01 Roger Sayle <roger@eyesopen.com>
697 * gthr-posix.h (__gthrw2): Define to take three parameters, the
698 declared name, the weak reference name, and the typeof name.
699 (__gthrw): Avoid expanding the declared name suffix.
700 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
702 2006-03-01 Jakub Jelinek <jakub@redhat.com>
704 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
706 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
707 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
708 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
709 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
710 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
711 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
712 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
713 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
714 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
715 DW_DS_leading_separate, DW_DS_trailing_separate): New.
716 (DW_END_default, DW_END_big, DW_END_little): New.
717 (DW_END_lo_user, DW_END_hi_user): Define.
718 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
719 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
720 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
723 2006-03-01 Diego Novillo <dnovillo@redhat.com>
725 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
727 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
729 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
731 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
733 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
736 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
739 2006-03-01 Roger Sayle <roger@eyesopen.com>
741 * builtins.c (fold_builtin_copysign): Delete unreachable code.
743 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
746 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
747 MACHO_DYNAMIC_NO_PIC_P.
748 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
750 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
753 * config/darwin-protos.h (darwin_asm_output_anchor):
755 * config/darwin-sections.def (cstring_section):
756 Add SECTION_MERGE to the flags.
757 (literal4_section): Likewise.
758 (literal8_section): Likewise.
759 (objc_selector_refs_section): Likewise.
760 (objc_cls_refs_section): Likewise.
761 * config/darwin.c (darwin_asm_output_anchor): New
763 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
765 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
767 Fix PR tree-optimization/26443
768 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
769 to todo and PROP_tmt_usage to properties_destroyed.
770 * tree-ssa-ccp.c (pass_ccp): Ditto.
771 (pass_store_ccp): Ditto.
772 * tree-ssa-dom.c (pass_dominator): Ditto.
774 2006-03-01 Diego Novillo <dnovillo@redhat.com>
776 * tree-ssa-operands.c: Cleanup whitespace.
777 (get_asm_expr_operands): Move before first invocation.
778 (get_indirect_ref_operands): Likewise.
779 (get_tmr_operands): Likewise.
780 (get_call_expr_operands): Likewise.
781 (append_def): Likewise.
782 (append_use): Likewise.
783 (append_v_may_def): Likewise.
784 (append_v_must_def): Likewise.
785 (add_call_clobber_ops): Likewise.
786 (add_call_read_ops): Likewise.
787 (add_stmt_operand): Likewise.
788 (add_virtual_operand): Likewise.
789 (build_ssa_operands): Likewise.
791 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
796 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
797 with a call expr to ...
798 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
800 2006-03-01 Diego Novillo <dnovillo@redhat.com>
802 * tree-vrp.c (extract_range_from_assert): Remove special
803 handling for types with super-types.
805 2006-03-01 Ben Elliston <bje@au.ibm.com>
807 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
808 and powerpc64-*-linux* configurations.
809 * config/t-dfprules: New file.
811 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
812 Compile dfp-bit.c from the source directory using -DWIDTH and
813 $DFP_CFLAGS to control the compilation of that file, rather than
814 generating width-specific versions in the build directory.
815 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
816 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
818 2006-02-28 Zack Weinberg <zackw@panix.com>
820 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
823 2006-02-28 Eric Christopher <echristo@apple.com>
825 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
826 Set up IN_LIBGCC definition of TARGET_64BIT.
827 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
829 2006-02-28 Roger Sayle <roger@eyesopen.com>
832 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
833 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
834 cases via the construction of "expr != 0".
836 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
838 * alias.c (alias_invariant, alias_invariant_size): Remove.
839 (record_base_value): Remove.
840 (memrefs_conflict_p): Don't look at alias_invariant.
841 (end_alias_analysis): Don't free it.
842 * alias.h (record_base_value): Remove prototype.
844 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
845 Adam Nemet <anemet@caviumnetworks.com>
847 * rtl.h (truncated_to_mode): Declare it.
848 (struct rtl_hooks): Add reg_truncated_to_mode hook.
849 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
850 (RTL_HOOKS_INITIALIZER): Include it.
851 * rtlhooks.c (reg_truncated_to_mode_general): New function.
852 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
853 reg_truncated_to_mode.
854 * rtlanal.c (truncated_to_mode): Define it.
855 * simplify-rtx.c (simplify_unary_operation_1): Use it.
857 2006-02-28 Jeff Law <law@redhat.com>
859 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
860 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
861 the range allowed by TYPE_PRECISION.
863 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
865 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
867 PR tree-optimization/26419
868 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
871 2006-02-27 Zack Weinberg <zackw@panix.com>
873 * doc/md.texi: Fix typo in previous change.
875 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
879 2006-02-27 Zack Weinberg <zackw@panix.com>
881 * rtl.def (define_constraint, define_register_constraint)
882 (define_memory_constraint, define_address_constraint): New MD forms.
883 * gensupport.c (process_rtx): Put define_constraint etc on the
885 * genpreds.c (process_define_predicate): Adjust comment. Validate
886 the name, and call validate_exp to validate the expression.
887 (mark_mode_tests, write_extract_subexp): Can assume correct input.
888 (write_predicate_expr): Likewise. NAME argument no longer necessary;
890 (validate_exp, needs_variable, struct constraint_data)
891 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
892 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
893 (const_dbl_constraints, constraint_max_namelen)
894 (have_register_constraints, have_memory_constraints)
895 (have_address_constraints, have_address_constraints)
896 (have_extra_constraints, have_const_int_constraints)
897 (have_const_dbl_constraints, mangle, add_constraint)
898 (process_define_constraint, process_define_register_constraint)
899 (write_enum_constraint_num, write_lookup_constraint)
900 (write_insn_constraint_len, write_regclass_for_constraint)
901 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
902 (write_insn_extra_memory_constraint)
903 (write_insn_extra_address_constraint)
904 (write_satisfies_constraint_fns): New.
905 (write_tm_preds_h): If we have new-style constraint definitions,
906 prototype the functions generated from them, and define the
907 old constraint interface (still used by generic code) in terms of
909 (write_insn_preds_c): If we have new-style constraint definitions,
910 generate all relevant functions from those definitions.
911 (main): Handle define_constraint etc.
912 * genoutput.c (struct constraint_data, indep_constraints)
913 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
914 (mdep_constraint_len): New data structures and functions, defined
915 #ifdef USE_MD_CONSTRAINTS.
916 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
917 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
918 use new logic to validate operand constraints against constraint
920 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
922 * defaults.h: If none of the old-style constraint macros are
923 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
924 old-style macros; and poison REG_CLASS_FROM_LETTER,
925 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
927 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
928 * doc/md.texi: Document new constraint-definition mechanism and the
929 C interface it provides. Remove references to old mechanism
930 elsewhere in the document.
931 (Machine Constraints): Use pathnames relative to gcc directory,
932 i.e. config/ARCH/FILE. Change i386 section to refer to
933 config/i386/predicates.md; update that section to match docstrings.
934 * doc/tm.texi: Move all documentation of the old constraint-
935 definition macros to their own section, clearly mark as obsolete.
937 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
938 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
940 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
941 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
942 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
944 (splits and peepholes): Use satisfies_constraint_*.
945 * config/i386/i386.c (memory_address_length)
946 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
948 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
950 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
951 scalar operation to be put back into the loop.
953 2006-02-27 Jakub Jelinek <jakub@redhat.com>
956 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
957 (extract_cie_info): Handle S flag in augmentation string.
958 (execute_cfa_program): If context->signal_frame, execute also
959 fs->pc == context->ra instructions.
960 (uw_frame_state_for): If context->signal_frame, don't subtract one
961 from context->ra to find FDE.
962 (uw_update_context_1): Set context->signal_frame to
964 (_Unwind_GetIPInfo): New function.
965 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
966 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
968 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
969 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
970 * unwind-compat.c (_Unwind_GetIPInfo): New function.
971 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
972 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
973 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
974 * config/i386/linux-unwind.h (x86_fallback_frame_state,
975 x86_64_fallback_frame_state): Set fs->signal_frame.
976 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
977 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
978 (frob_update_context): Likewise. Workaround missing S flag in
979 Linux 2.6.12 - 2.6.16 kernel vDSOs.
980 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
981 Remove the psw_addr + 1 hack.
983 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
985 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
986 with aggregates here.
987 (find_func_aliases): Remove code for &<aggregate> from here.
989 2006-02-26 Roger Sayle <roger@eyesopen.com>
991 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
992 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
993 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
996 2006-02-26 Roger Sayle <roger@eyesopen.com>
999 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
1001 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
1003 * opts.c (decode_options): Do not handle flag_strength_reduce.
1004 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
1005 and OPT_fstrength_reduce.
1006 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
1007 flag_prefetch_loop_arrays for being nonzero.
1008 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
1010 (fprefetch-loop-arrays-rtl): Removed.
1011 (flag_prefetch_loop_arrays): Do not specify the value.
1013 * doc/passes.texi: Update documentation of loop optimizer
1015 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
1016 -frerun-loop-opt): Remove.
1018 2006-02-26 Richard Guenther <rguenther@suse.de>
1020 PR tree-optimization/26421
1021 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
1022 in function calls that are ADDR_EXPRs as using the whole structure.
1024 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
1026 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
1027 * tree-pass.h (pass_loop_optimize): Remove.
1028 * passes.c (pass_loop_optimize): Never run it.
1029 * toplev.c (backend_init): Don't call init_loop.
1030 * opts.c (flag_loop_optimize_set): Remove.
1031 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
1032 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
1033 the old RTL loop optimizer when profiling enabled.
1034 * predict.c (tree_estimate_probability): Always strip builtin_expect.
1035 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
1036 pre-headers for the sake of the old RTL loop optimizer.
1037 * Makefile.in: Remove all references to loop.o.
1039 * doc/invoke.texi: Remove all references to -floop-optimize
1040 and -frerun-loop-opt.
1042 2006-02-26 Zack Weinberg <zackw@panix.com>
1044 * doc/md.texi (Machine Constraints): Refer to all files with paths
1045 relative to gcc directory (i.e. config/CPU/file). Add missing
1046 @table @code ... @end table to M32C subsection.
1048 2006-02-26 Roger Sayle <roger@eyesopen.com>
1050 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
1052 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
1054 2006-02-26 Roger Sayle <roger@eyesopen.com>
1055 James A. Morrison <phython@gcc.gnu.org>
1058 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
1059 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
1060 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
1061 signedness of the shift operation.
1063 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
1065 PR tree-optimization/26359
1066 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
1068 2006-02-25 Roger Sayle <roger@eyesopen.com>
1070 * simplify-rtx.c (simplify_relational_operation_1): Simplify
1071 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
1072 as X == 0, and some symmetry related transformations.
1073 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
1075 2006-02-25 Roger Sayle <roger@eyesopen.com>
1078 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
1079 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
1080 symmetry related transformations. Fold (X^C1) == C2 as
1083 2006-02-25 Juergen Weigert <jw@suse.de>
1084 Richard Guenther <rguenther@suse.de>
1086 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
1088 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
1090 * combine.c (gen_lowpart_or_truncate): Call
1091 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
1093 2006-02-24 Diego Novillo <dnovillo@redhat.com>
1095 * doc/invoke.texi: Move -fopenmp description to "Options for
1097 Remove reference to -lgomp.
1099 2006-02-24 David Edelsohn <edelsohn@gnu.org>
1101 * doc/install.texi: Require GNU tar version 1.14.
1103 2006-02-24 Geoffrey Keating <geoffk@apple.com>
1105 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
1106 * doc/invoke.texi (C++ Dialect Options): Document
1107 -fno-use-cxa-get-exception-ptr.
1108 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
1109 * configure: Regenerate.
1110 * c.opt (fuse-cxa-get-exception-ptr): New.
1111 * c-opts.c (c_common_handle_option): Handle
1112 OPT_fuse_cxa_get_exception_ptr.
1113 * c-common.c (flag_use_cxa_atexit): Update documentation.
1114 (flag_use_cxa_get_exception_ptr): New.
1115 * c-common.h (flag_use_cxa_get_exception_ptr): New.
1116 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
1118 (C_COMMON_OVERRIDE_OPTIONS): New.
1120 2006-02-24 Roger Sayle <roger@eyesopen.com>
1123 * combine.c (try_combine): Explicitly check whether GET_CODE is
1124 a SET or a CLOBBER, instead on checking that it isn't a USE.
1126 2006-02-24 Roger Sayle <roger@eyesopen.com>
1128 * fold-const.c (fold_comparison): New subroutine of fold_binary
1129 containing transformations common to both the equality and
1130 ordering relational operators, factored out of fold_binary.
1131 (fold_binary): Separate out the equality operators (EQ_EXPR
1132 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
1133 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
1134 transformations common to both.
1135 (fold_div_compare): Fix latent bugs in the previously unreachable
1136 LT_EXPR and GE_EXPR cases.
1138 2006-02-24 David Edelsohn <edelsohn@gnu.org>
1140 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
1141 decl libname for clog to __clog on AIX.
1143 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
1145 2006-02-24 Alan Modra <amodra@bigpond.net.au>
1148 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
1149 output traceback table for thunks. Localise rs6000_stack_info call.
1151 2006-02-23 Roger Sayle <roger@eyesopen.com>
1152 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1154 * gthr-posix.h (__gthrw): Fix typo in comment.
1156 2006-02-23 Geoffrey Keating <geoffk@apple.com>
1158 * doc/cpp.texi (Character sets): Document that we do support
1159 input files to be in any character set.
1161 2006-02-23 Jeff Law <law@redhat.com>
1163 * tree.h (PHI_ARG_NONZERO): Remove.
1164 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
1165 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
1166 node to the new node.
1168 PR tree-optimization/26425
1169 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
1170 min/max, then assume its varying.
1172 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
1174 PR rtl-optimization/26316
1175 * rtlanal.c (enum may_trap_p_flags): New.
1176 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
1177 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
1178 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
1179 (may_trap_after_code_motion_p): New function.
1180 * loop-invariant.c (find_identical_invariants): Fix dump formating.
1181 (find_invariant_insn): Use may_trap_after_code_motion_p.
1182 * rtl.h (may_trap_after_code_motion_p): Declare.
1184 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
1186 * emit-rtl.c (immed_double_const): Cleanup.
1188 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
1190 Fix PR tree-optimization/26376
1191 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
1194 2006-02-23 Jakub Jelinek <jakub@redhat.com>
1197 * gimplify.c (omp_add_variable): Guard variable size decl test with
1198 DECL_SIZE (decl) check.
1200 2006-02-23 Richard Guenther <rguenther@suse.de>
1203 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
1204 like aggregate types.
1206 2006-02-23 Jakub Jelinek <jakub@redhat.com>
1208 * configure.ac: Add --with{,out}-long-double-128 configure option.
1209 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
1210 * configure: Rebuilt.
1211 * config.in: Rebuilt.
1212 * doc/install.texi (Options specification): Document
1213 --with-long-double-128.
1215 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
1216 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
1217 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
1218 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
1220 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
1222 * config/s390/s390.c (override_options): Handle
1223 TARGET_DEFAULT_LONG_DOUBLE_128.
1225 * config/alpha/alpha.c (override_options): Handle
1226 TARGET_DEFAULT_LONG_DOUBLE_128.
1228 * config/sparc/sparc.c (sparc_override_options): Handle
1229 TARGET_DEFAULT_LONG_DOUBLE_128.
1231 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
1233 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
1234 (real-install-headers-tar, real-install-headers-cpio)
1235 (real-install-headers-cp): New targets.
1237 2006-02-22 Richard Sandiford <richard@codesourcery.com>
1239 * tree.h (variable_section): Delete.
1240 * varasm.c (variable_section): Delete.
1242 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
1244 * install.texi: Add notes on install.texi2html.
1245 (Building in parallel): Do not use footnotes.
1247 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
1250 * doc/install.texi (Configuration): Document --disable-libgomp.
1252 2006-02-21 Geoffrey Keating <geoffk@apple.com>
1254 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
1256 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
1258 * config/i386/sse.md (vec_extractv2df_1_sse): New.
1259 (vec_extractv2df_0_sse): New.
1261 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
1263 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
1264 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
1265 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
1266 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
1267 to the result of the expression.
1268 (def_cfa_1): Adjust.
1269 (frame_pointer_cfa_offset): Rename to...
1270 (frame_pointer_fb_offset): ... this. Adjust all uses.
1271 (convert_cfa_to_loc_list): Rename to...
1272 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
1273 Pass it on to build_cfa_loc.
1274 (compute_frame_pointer_to_cfa_displacement): Rename to...
1275 (compute_frame_pointer_to_fb_displacement): ... this. New
1276 offset parameter. Use it in computation.
1277 (gen_subprogram_die): Compute cfa_fb_offset with the new
1278 macro, and use it to compute the fb loc list and the
1281 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
1283 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
1284 replaced with register_operand.
1285 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
1286 non-DREG is expensive.
1287 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
1288 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
1291 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
1293 * doc/install.texi2html: Use set -e.
1295 2006-02-21 Richard Sandiford <richard@codesourcery.com>
1297 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
1298 (ASM_OUTPUT_SHARED_LOCAL): Delete.
1299 * doc/invoke.texi (-fshared-data): Delete.
1300 * common.opt (fshared-data): Delete.
1301 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
1302 (assemble_static_space): Remove #if 0 code.
1303 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
1304 (ASM_OUTPUT_SHARED_LOCAL): Poison.
1305 * config/cris/cris.h: Remove FIXME.
1307 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
1309 * doc/sourcebuild.texi (Front End Directory): No more double-colon
1312 2006-02-21 Jakub Jelinek <jakub@redhat.com>
1315 * combine.c (simplify_shift_const_1): Disable nested shifts
1316 optimization for vector shifts.
1318 2006-02-20 Roger Sayle <roger@eyesopen.com>
1320 PR tree-optimization/26361
1321 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
1322 of unsigned integer types.
1324 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
1326 * tree-chrec.c (eq_evolutions_p): New.
1327 * tree-chrec.h (eq_evolutions_p): Declared.
1328 * tree-data-ref.c: Fix formatting.
1329 (datadep_stats, dependence_stats): New.
1331 (print_direction_vector): New.
1332 (dump_data_dependence_relation): Use print_direction_vector.
1333 (object_analysis, create_data_ref): Handle COMPONENT_REF.
1334 (compute_subscript_distance): Static.
1335 (initialize_data_dependence_relation): Static. Get the number
1336 of loops surrounding the references from the callers, and initialize
1337 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
1338 base_object_differ_p analyzers.
1339 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
1340 compute_overlap_steps_for_affine_1_2,
1341 analyze_subscript_affine_affine): Count the classified dependences.
1342 Print a message when a test failed.
1343 (can_use_analyze_subscript_affine_affine): New.
1344 (analyze_siv_subscript): Compute the data dependences on symbolic
1345 scevs that verify can_use_analyze_subscript_affine_affine.
1346 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
1347 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
1348 Handle symbolic scevs.
1349 (analyze_overlapping_iterations): Let symbolic affine scevs to be
1351 (subscript_dependence_tester): Moved...
1352 (build_classic_dist_vector, build_classic_dir_vector): Don't use
1353 lambda_vector_clear on newly allocated vectors. Get nb_loops from
1354 DDR_SIZE_VECT instead of getting it in parameter.
1355 (subscript_dependence_tester): ... here. Take as a parameter
1356 loop_nest_depth. Call build_classic_dist_vector and
1357 build_classic_dir_vector.
1358 (compute_affine_dependence): Update subscript_dependence_tester
1359 parameters. Update datadep_stats counters. Call
1360 compute_subscript_distance.
1361 (compute_self_dependence): Save the dist and dir vectors. Call
1362 compute_subscript_distance.
1363 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
1364 (compute_all_dependences): Reorder parameters as they were before
1365 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
1366 compute_subscript_distance. Update the use of
1367 compute_affine_dependence and initialize_data_dependence_relation.
1368 (find_data_references_in_loop): Handle COMPONENT_REF.
1369 (compute_data_dependences_for_loop): Initialize dependence_stats.
1370 Don't call build_classic_dist_vector and build_classic_dir_vector.
1371 Update the parameters of initialize_data_dependence_relation and
1372 compute_all_dependences. Print the statistics from datadep_stats.
1373 (analyze_all_data_dependences): Static. Not used until the pass for
1374 checking the data dependences is contributed.
1375 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
1376 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
1377 (initialize_data_dependence_relation, compute_affine_dependence,
1378 analyze_all_data_dependences, compute_subscript_distance): Removed.
1379 (print_direction_vector): New.
1380 * lambda.h (gcd): ... here.
1381 (lambda_vector_gcd): Moved here from gcd_vector.
1382 * lambda-code.c (gcd, gcd_vector): Removed.
1383 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
1384 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
1386 2006-02-20 Diego Novillo <dnovillo@redhat.com>
1388 * ipa-type-escape.c: Tidy some comments and white space.
1389 * tree-ssa-operands.c: Likewise.
1391 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
1394 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
1395 (dump_decl_name): Do not walk the decl tree chains.
1396 * tree-pass.h (TDF_CHAIN): Remove.
1398 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
1400 * Makefile.in (C): Remove
1402 (.PHONY): Remove C and PROTO
1404 2006-02-20 Roger Sayle <roger@eyesopen.com>
1407 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
1408 deprecated CHAR_TYPE tree code.
1410 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
1412 * configure.ac (target_list): Add install-info, dvi, html.
1413 * configure: Regenerate.
1415 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
1416 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
1417 treelang/Make-lang.in: Do not use double-colon rules.
1419 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
1421 * tree.h (struct tree_memory_tag): Add is_used_alone member.
1422 (TMT_USED_ALONE): New macro.
1423 * tree-pass.h (PROP_tmt_usage): New property.
1424 (TODO_update_tmt_usage): New todo.
1425 * tree-ssa-alias.c (updating_used_alone): New variable.
1426 (recalculate_used_alone): New function.
1427 (compute_may_aliases): Set updating_used_alone, call
1428 recalculate_used_alone.
1429 * tree-sra.c (pass_sra): Note that this pass destroys
1430 PROP_tmt_usage, and add TODO_update_tmt_usage.
1431 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
1432 * tree-flow.h (updating_used_alone): Prototype.
1433 (recalculate_used_alone): Ditto.
1434 * passes.c (execute_todo): Add code to set updating_used_alone,
1435 and call recalculate.
1436 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
1437 for clobber if used alone, and add assert to verify used_alone
1440 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
1442 * config/s390/s390.c (legitimize_pic_address): Assertions checking
1443 for non tls symbols added.
1444 (legitimize_address): Do nothing for PLUS expressions if one of the
1445 addends is a tls symbol reference.
1447 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
1451 * Makefile.in (LDFLAGS): Define from autoconf substitution.
1453 * Makefile.in (BOOTSTRAPPING): New.
1454 (quickstrap): New definition if BOOTSTRAPPING=yes.
1456 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
1457 * configure.ac: Substitute all_selected_languages with the languages
1458 that were configured. For all the other variables except
1459 lang_specs_files, include all the languages in the tree.
1460 * configure: Regenerate.
1462 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
1463 if there is one. Run the commands to run fixincludes in the same
1466 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
1467 * doc/install.texi: Document exact conventions for searching target tools.
1468 Document --with-build-time-tools. Document toplevel bootstrap. Document
1469 something more about building an Ada cross-compiler. Don't list GNU Make
1470 requirements which affect all platforms.
1472 2006-02-19 Roger Sayle <roger@eyesopen.com>
1475 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
1476 only equivalent if the have both the same mode and precision.
1478 2006-02-20 Ben Elliston <bje@au.ibm.com>
1480 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
1482 2006-02-19 Roger Sayle <roger@eyesopen.com>
1483 Steven Bosscher <stevenb.gcc@gmail.com>
1485 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
1486 constant pool references to identify stack mode constants.
1487 * rtlanal.c (constant_pool_constant_p): New predicate to check
1488 whether operand is a floating point constant in the pool.
1489 * rtl.h (constant_pool_constant_p): Prototype here.
1490 * loop.c (scan_loop): Avoid hoisting constants from the constant
1491 pool on STACK_REGS targets.
1492 (load_mems): Likewise.
1493 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
1494 loads into x87 registers expensive in terms of register pressure.
1496 2006-02-19 Roger Sayle <roger@eyesopen.com>
1498 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
1499 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
1501 2006-02-19 David Edelsohn <edelsohn@gnu.org>
1503 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
1504 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
1506 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
1508 * doc/invoke.texi: Document -fipa-pta.
1509 * common.opt: Add ipa-pta option.
1510 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
1511 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
1512 (do_ds_constraint): Ditto.
1513 (get_constraint_for): Only add to referenced_vars if
1514 referenced_vars exists.
1515 (insert_into_field_list): Rewrite to do this unsorted.
1516 (insert_into_field_list_sorted): Rename old insert_into_field_list
1518 (create_function_info_for): Use insert_into_field_list_sorted.
1519 (create_variable_info_for): Rewrite so it uses unsorted version,
1520 since the field list is sorted.
1521 (intra_create_variable_infos): Only add to referenced_vars if
1522 referenced_vars exists.
1523 (ipa_pta_execute): Init heapvars, and delete when done.
1524 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
1526 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1528 * doc/install.texi: Add missing `@samp'.
1530 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
1532 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
1535 2006-02-18 Mark Wielaard <mark@klomp.org>
1537 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
1538 who added new 4.1 features, bug fixes and integration support.
1540 2006-02-18 David Edelsohn <edelsohn@gnu.org>
1543 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
1546 2006-02-18 Richard Sandiford <richard@codesourcery.com>
1548 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
1549 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
1550 (copy_insn_1): Likewise. Don't copy each field individually.
1552 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
1554 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
1555 * rtl.c (rtx_size): Rename variable to...
1556 (rtx_code_size): ...this.
1557 (rtx_size): New function.
1558 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
1559 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
1561 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
1562 * rtl.h (rtx_code_size): New variable.
1563 (rtx_size): Change from a variable to a function.
1564 (RTX_SIZE): Rename to...
1565 (RTX_CODE_SIZE): ...this.
1568 PR tree-optimization/17106
1569 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
1570 (Anchored Addresses): New section.
1571 * doc/invoke.texi (-fsection-anchors): Document.
1572 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
1573 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
1574 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
1575 * hooks.c (hook_bool_mode_rtx_false): New function.
1576 * hooks.h (hook_bool_mode_rtx_false): Declare.
1577 * gengtype.c (create_optional_field): New function.
1578 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
1579 SYMBOL_REF_IN_BLOCK_P is true.
1580 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
1581 (min_anchor_offset, max_anchor_offset): Likewise.
1582 (use_anchors_for_symbol_p): New hook.
1583 * toplev.c (compile_file): Call output_object_blocks.
1584 (target_supports_section_anchors_p): New function.
1585 (process_options): Check that -fsection-anchors is only used on
1586 targets that support it and when -funit-at-a-time is in effect.
1587 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
1588 if the decl doesn't have one.
1589 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
1590 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
1591 of force_const_mem through use_anchored_address.
1592 (expand_expr_constant): New function.
1593 (expand_expr_addr_expr_1): Call it. Use the same modifier when
1594 calling expand_expr for INDIRECT_REF.
1595 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
1596 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
1597 * expr.h (use_anchored_address): Declare.
1598 * loop-unroll.c: Don't declare rtx vectors here.
1599 * explow.c: Include output.h.
1600 (validize_mem): Call use_anchored_address.
1601 (use_anchored_address): New function.
1602 * common.opt (-fsection-anchors): New switch.
1603 * varasm.c (object_block_htab, anchor_labelno): New variables.
1604 (hash_section, object_block_entry_eq, object_block_entry_hash)
1605 (use_object_blocks_p, get_block_for_section, create_block_symbol)
1606 (use_blocks_for_decl_p, change_symbol_section): New functions.
1607 (get_variable_section): New function, split out from assemble_variable.
1608 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
1609 use_blocks_for_decl_p say so. Use change_symbol_section if the
1610 symbol has already been created.
1611 (assemble_variable_contents): New function, split out from...
1612 (assemble_variable): ...here. Don't output any code for
1613 block symbols; just pass them to place_block_symbol.
1614 Use get_variable_section and assemble_variable_contents.
1615 (get_constant_alignment, get_constant_section, get_constant_size): New
1616 functions, split from output_constant_def_contents.
1617 (build_constant_desc): Create a block symbol if use_object_blocks_p
1618 says so. Or into SYMBOL_REF_FLAGS.
1619 (assemble_constant_contents): New function, split from...
1620 (output_constant_def_contents): ...here. Don't output any code
1621 for block symbols; just pass them to place_section_symbol.
1622 Use get_constant_section and get_constant_alignment.
1623 (force_const_mem): Create a block symbol if use_object_blocks_p and
1624 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
1625 (output_constant_pool_1): Add an explicit alignment argument.
1626 Don't switch sections here.
1627 (output_constant_pool): Adjust call to output_constant_pool_1.
1628 Switch sections here instead. Don't output anything for block symbols;
1629 just pass them to place_block_symbol.
1630 (init_varasm_once): Initialize object_block_htab.
1631 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
1632 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
1633 (place_block_symbol, get_section_anchor, output_object_block)
1634 (output_object_block_htab, output_object_blocks): New functions.
1635 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
1636 (TARGET_ASM_OUT): Include it.
1637 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
1638 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
1639 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
1640 (TARGET_INITIALIZER): Include them.
1641 * rtl.c (rtl_check_failed_block_symbol): New function.
1642 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
1643 (block_symbol, object_block): New structures.
1644 (rtx_def): Add a block_symbol field to the union.
1645 (BLOCK_SYMBOL_CHECK): New macro.
1646 (rtl_check_failed_block_symbol): Declare.
1647 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
1648 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
1649 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
1650 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
1651 * output.h (output_section_symbols): Declare.
1652 (object_block): Name structure.
1653 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
1654 (default_use_anchors_for_symbol_p): Declare.
1655 * Makefile.in (RTL_BASE_H): Add vec.h.
1656 (explow.o): Depend on output.h.
1657 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
1658 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
1659 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
1660 (rs6000_use_blocks_for_constant_p): New function.
1662 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1664 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
1666 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
1669 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
1672 2006-02-18 Diego Novillo <dnovillo@redhat.com>
1674 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
1678 2006-02-18 Jakub Jelinek <jakub@redhat.com>
1681 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
1682 instead of DECL_REGISTER.
1684 2006-02-18 Olivier Hainque <hainque@adacore.com>
1687 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
1689 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
1692 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
1693 * opth-gen.awk: Handle Var and InverseMask together.
1694 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
1695 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
1696 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
1697 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
1699 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
1700 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
1701 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
1702 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
1703 LINUX_DYNAMIC_LINKER): Define.
1704 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
1705 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
1707 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1708 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
1709 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1710 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1711 (TARGET_C99_FUNCTIONS): Don't define.
1712 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
1713 GLIBC_DYNAMIC_LINKER.
1714 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
1715 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
1716 GLIBC_DYNAMIC_LINKER64): Define.
1717 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
1718 LINUX_DYNAMIC_LINKER64.
1719 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1720 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1721 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
1722 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1723 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1724 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1725 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
1726 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
1727 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
1728 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
1729 and LINUX_DYNAMIC_LINKER32.
1730 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1731 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1732 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
1733 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1734 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
1736 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
1737 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
1738 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
1739 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
1740 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
1741 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
1742 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
1743 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
1744 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
1745 LINUX_DYNAMIC_LINKER): Define.
1746 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
1747 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
1748 GLIBC_DYNAMIC_LINKER64): Define.
1749 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
1750 LINUX_DYNAMIC_LINKER64.
1751 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1752 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1753 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
1754 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
1755 LINUX_DYNAMIC_LINKER): Define.
1756 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1757 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
1758 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
1759 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
1760 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
1761 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
1762 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
1763 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
1764 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
1765 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1766 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1767 * doc/invoke.texi (-muclibc): Remove caveat about supported
1770 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
1772 * doc/cpp.texi (__TIMESTAMP__): Document.
1774 2006-02-17 Roger Sayle <roger@eyesopen.com>
1777 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
1778 C is one less than the width of X (and related transformations).
1779 * simplify-rtx.c (simplify_unary_operation_1): Transform
1780 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
1781 depending on STORE_FLAG_VALUE, were C is one less then the
1784 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
1786 Fix PR tree-optimization/26341
1787 * tree-ssa-operands.c (add_virtual_operand): Remove assert
1788 about NAME_MEMORY_TAG's.
1790 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1793 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
1794 with hardware float support, and software float support. Add fcpy
1795 alternative to hardware patterns. Add alternatives to copy between
1796 general and floating-point registers to the 32-bit pattern.
1797 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
1798 secondary reload to load a QI or HI mode constant into a floating
1800 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
1801 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
1803 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
1806 * config/rs6000/darwin.md (load_macho_picbase_si): Add
1808 (load_macho_picbase_di): Likewise.
1810 2006-02-16 Jeff Law <law@redhat.com>
1812 * tree-vrp.c (set_value_range_to_nonnegative): New function.
1813 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
1814 (ssa_name_nonzero_p): Likewise.
1815 (get_value_range): Return NULL if VRP is not running.
1816 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
1817 VRP routines do not discover a range.
1818 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
1819 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
1820 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
1821 (tree_expr_nonnegative_p): Similarly.
1822 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
1823 (restore_nonzero_vars_to_original_value): Remove.
1824 (unsafe_associative_fp_binop): Remove.
1825 (tree_ssa_dominator_optimize): Remove initialization and
1826 finalization of nonzero_vars and nonzero_vars_stack.
1827 (dom_opt_initialize_block): No longer push marker on
1829 (dom_opt_finalize_block): No longer call
1830 restore_nonzero_vars_to_original_value.
1831 (record_equivalences_from_phis): No longer look for
1832 nonzero PHI arguments.
1833 (cprop_into_successor_phis): No longer propagate nonzero
1834 property into PHI arguments. Lose unused argument. Caller
1836 (record_equivalences_from_stmt): No longer record nonzero
1837 values for SSA_NAMEs.
1838 (lookup_avail_expr): No longer use nonzero_vars.
1840 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
1841 for sizetype when sizetype is unsigned.
1843 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
1845 PR rtl-optimization/25603
1846 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
1847 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
1848 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
1849 with new meaning of SETS.
1851 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
1856 * config/linux.opt: New file.
1857 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
1858 LINUX_DYNAMIC_LINKER): Define.
1859 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
1860 * config.gcc (*-*-linux*): Define extra_options.
1861 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
1862 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
1863 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
1864 GLIBC_DYNAMIC_LINKER.
1865 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
1866 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1867 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1868 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1869 * doc/invoke.texi (GNU/Linux Options): New section.
1871 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
1873 * config/sparc/sparc.md (setjmp): Rewrite.
1874 (setjmp_32): Delete.
1875 (setjmp_64): Likewise.
1877 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
1879 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
1882 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
1884 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
1887 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
1889 PR rtl-optimization/26296
1890 * Makefile.in (loop-invariant.c): Add except.h dependency.
1891 * loop-invariant.c: Include except.h.
1892 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
1894 2005-02-16 Paul Brook <paul@codesourcery.com>
1896 * reload1.c (emit_reload_insns): Invalidate dead input registers used
1899 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
1901 PR rtl-optimization/25636
1902 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
1903 when deciding whether an insn is an initializing insn.
1905 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
1907 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
1908 (tree_code_size): Ditto.
1909 * tree.h (struct tree_memory_tag): Remove parent_var.
1910 (struct tree_struct_field_tag): New.
1913 (union tree_node): Add sft member.
1914 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
1916 (create_sft): Add size and offset argument, set SFT_OFFSET and
1918 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
1919 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
1920 * tree-flow-inline.h (get_subvar_at): Update for
1921 SFT_OFFSET/SFT_SIZE.
1922 (var_can_have_subvars): Ditto.
1923 (overlap_subvar): Ditto.
1924 * print-tree.c (print_node): Print out interesting things for
1926 * tree-flow.h (struct subvar): Remove offset and size members.
1927 * tree-ssa-operands.c (get_expr_operands): Update for
1928 get_indirect_ref_operands changes.
1929 (get_indirect_ref_operands): Call add_virtual_operand instead of
1930 add_stmt_operand. Only recurse on base var if requested.
1931 (access_can_touch_variable): New function.
1932 (add_stmt_operand): Split virtual operand handling into ...
1933 (add_virtual_operand): Here. Add offset, size, and for_clobber
1934 arguments. Prune alias sets.
1935 (add_call_clobber_ops): Call add_virtual_operand.
1937 2006-02-15 Jakub Jelinek <jakub@redhat.com>
1940 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
1942 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
1943 than TREE_CODE as index into omp_clause_num_ops array.
1945 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
1947 PR rtl-optimization/26184
1948 * modulo-sched.c (generate_reg_moves): Free bitmap vector
1950 * modulo-sched.c (sms_schedule): Free g_arr pointer.
1951 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
1952 must_precede, must_follow and tobe_scheduled.
1955 * opts.c (common_handle_option): Free new_option pointer.
1956 * df-core.c (df_analyze): Free postorder pointer.
1958 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
1960 * Makefile.in: Fix the examples about the use of stamps
1962 2006-02-15 Michael Matz <matz@suse.de>
1966 * stor-layout.c (layout_decl): Zero-width bitfields aren't
1967 influenced by maximum_field_alignment or DECL_PACKED.
1968 (update_alignment_for_field): Ditto.
1969 (place_field): Ditto.
1970 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
1973 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
1975 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
1976 (debug_flow_info): Pass it.
1977 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
1978 * bb-reorder.c (reorder_basic_blocks): Likewise.
1979 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
1980 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
1981 * flow.c (life_analysis, recompute_reg_usage): Likewise.
1982 * gcse.c (gcse_main, bypass_jumps): Likewise.
1983 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
1984 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
1985 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
1986 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
1987 * rtl.h (dump_flow_info): Adjust prototype.
1988 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
1989 * var-tracking.c (variable_tracking_main): Likewise.
1990 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
1991 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
1994 2006-02-15 Marcin Dalecki <martin@dalecki.de>
1996 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
1999 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
2001 PR tree-optimization/26209
2002 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
2003 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
2005 * tree-cfg.c (replace_uses_by): Do not alter cfg.
2007 2006-02-14 Roger Sayle <roger@eyesopen.com>
2010 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
2011 (X,Y) and the corresponding symmetry related transformations.
2012 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
2013 (X,Y) and its symmetry related transformations.
2015 2006-02-14 Roger Sayle <roger@eyesopen.com>
2017 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
2020 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
2022 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
2024 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2027 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
2028 support COMDAT group.
2029 * configure: Regenerate.
2031 2006-02-14 Roger Sayle <roger@eyesopen.com>
2036 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
2038 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
2040 Fix PR tree-optimization/26260
2042 * doc/invoke.texi (max-fields-for-field-sensitive): Document
2044 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
2045 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
2046 * tree-ssa-structalias.c (create_variable_info_for): Use
2047 MAX_FIELDS_FOR_FIELD_SENSITIVE.
2049 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
2051 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
2053 * tree-ssa-loop-niter.c (number_of_iterations_ne,
2054 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
2055 of the ending condition.
2056 * tree-ssa-loop-manip.c: Include params.h.
2057 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
2058 tree_unroll_loop): New functions.
2059 * tree-pass.h (pass_loop_prefetch): Declare.
2060 * loop.c (rest_of_handle_loop_optimize): Test for
2061 -fprefetch-loop-arrays-rtl.
2062 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
2063 * timevar.def (TV_TREE_PREFETCH): New timevar.
2064 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
2065 pass_loop_prefetch): New.
2066 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
2067 (cleanup_tree_cfg_loop): Call scev_reset.
2068 * common.opt (fprefetch-loop-arrays-rtl): Add.
2069 * tree-ssa-loop-prefetch.c: New file.
2070 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
2071 (new_temp_expr_table): Initialize expr_vars.
2072 (free_temp_expr_table): Cleanup expr_vars.
2073 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
2074 expressions from being merged into one.
2075 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
2076 (struct tree_niter_desc): Add control, bound and cmp fields.
2077 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
2079 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
2080 (tree-cfgcleanup.o): Add SCEV_H dependency.
2081 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
2082 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
2084 2006-02-14 Richard Guenther <rguenther@suse.de>
2086 PR tree-optimization/26258
2087 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
2088 in PHI argument processing.
2090 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
2092 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
2093 new expression in the requested machine mode.
2095 2006-02-13 Roger Sayle <roger@eyesopen.com>
2097 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
2098 directly, instead let do_compare_rtx_and_jump handle this for us.
2099 * expr.c (expand_expr_real_1): Likewise.
2100 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
2101 before do_jump_by_parts_greater.
2102 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
2103 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
2105 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2107 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
2109 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
2111 PR rtl-optimization/26235
2112 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
2113 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
2116 2006-02-13 Jeff Law <law@redhat.com>
2118 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
2121 2006-02-13 Jakub Jelinek <jakub@redhat.com>
2124 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
2125 twice if decl is a builtin. When trying again, call get_callee_fndecl
2126 first to verify it is still a builtin.
2128 2006-02-13 Geoffrey Keating <geoffk@apple.com>
2130 * dwarf2out.c (base_type_die): Don't add AT_name here.
2131 (subrange_type_die): Don't add AT_name here.
2132 (modified_type_die): Rearrange code flow. Do add AT_name here.
2134 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
2136 PR rtl-optimization/26247
2137 PR rtl-optimization/26248
2138 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
2140 2006-02-13 Richard Sandiford <richard@codesourcery.com>
2142 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
2143 * config/fixtfdi.c: Likewise.
2144 * config/fixunstfdi.c: Likewise.
2145 * config/floatditf.c: Likewise.
2147 2006-02-13 Roger Sayle <roger@eyesopen.com>
2150 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
2151 into (X,C2) if C1 is a subset of the bits of C2. Transform
2152 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
2154 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
2156 2006-02-13 Josh Conner <jconner@apple.com>
2159 * varasm.c (function_section): Check for section name before
2160 calling select_section on targets that define
2161 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
2162 unlikely_text_section instead of hot_function_section if
2163 first_function_block_is_cold.
2165 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
2168 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
2170 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
2172 PR rtl-optimization/26222
2173 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
2174 after tree->rtl expansion.
2175 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
2176 before passing it to emit_move_insn.
2178 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
2180 * doc/invoke.texi (-Write-strings): Document that it is enabled by
2182 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
2183 Clarify documentation.
2184 * c-common.h (warn_write_strings): Remove.
2185 * c-common.c (warn_write_strings): Likewise.
2186 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
2189 2006-02-12 Roger Sayle <roger@eyesopen.com>
2192 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
2193 (do_jump_parts_zero_rtx): New function renamed from
2194 do_jump_parts_equality_rtx. Made static. Add a mode argument.
2195 (do_jump_parts_equality_rtx): New function split out from
2196 do_jump_parts_equality. Old implementation renamed as above.
2197 Call do_jump_parts_zero_rtx if either operand is zero.
2198 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
2199 do all of the heavy lifting.
2200 (do_compare_rtx_and_jump): Handle multi-word comparisons by
2201 calling either do_jump_by_parts_greater_rtx or
2202 do_jump_by_parts_equality_rtx.
2203 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
2204 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
2205 moved to do_compare_rtx_and_jump, call it directly.
2206 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
2207 mode argument. Call do_compare_rtx_and_jump.
2208 (emit_case_nodes): Update calls to do_jump_if_equal.
2210 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
2212 PR rtl-optimization/26225
2213 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
2215 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
2217 PR rtl-optimization/26232
2218 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
2220 2006-02-11 Jason Merrill <jason@redhat.com>
2223 * tree-inline.c (declare_return_variable): Just don't use the
2224 modify target if it's a gimple complex reg and the return slot
2227 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2229 * doc/contrib.texi: Update my entry.
2231 2006-02-10 Geoffrey Keating <geoffk@apple.com>
2233 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
2235 2006-02-10 Diego Novillo <dnovillo@redhat.com>
2237 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
2240 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
2242 * doc/invoke.texi (-floop-optimize2): Removed.
2243 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
2244 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
2245 Test flag_branch_on_count_reg only if HAVE_doloop_end.
2246 * common.opt (floop-optimize2): Removed.
2247 (fmove-loop-invariants): Enabled by default.
2249 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
2251 * tree-if-conv.c (combine_blocks): Free the result of
2252 get_loop_exit_edges.
2254 2006-02-10 Jeff Law <law@redhat.com>
2256 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
2258 PR tree-optimization/26213
2259 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
2260 loop trying to follow SSA_NAME_VALUE chains.
2262 2006-02-10 Richard Guenther <rguenther@suse.de>
2264 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
2265 deal with structures that end in implicitly variable sized arrays.
2267 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
2269 PR rtl-optimization/24762
2270 * df-scan.c (df_bb_refs_record): Record correct registers defined on
2273 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
2275 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
2276 (struct ivopts_data): Add regs_used field.
2277 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
2278 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
2279 instead of loop_data->regs_used;
2280 (free_loop_data): Do not free aux fields for loops.
2281 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
2282 and tree_ssa_iv_optimize_finalize.
2284 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
2286 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
2288 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
2291 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
2292 computing the effective result type.
2294 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
2297 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
2298 (tree_overlaps_hard_reg_set): Declare.
2299 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
2300 type and signature to match function type expected by walk_tree.
2301 (tree_overlaps_hard_reg_set): New function.
2302 (decl_conflicts_with_clobbers_p): Rename to:
2303 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
2304 Use tree_overlaps_hard_reg_set. Changed caller.
2305 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
2306 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
2307 * cris.c (cris_md_asm_clobbers): Likewise.
2309 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
2311 * reload1.c (emit_input_reload_insns): Delete code that tries to
2312 inherit using find_equiv_reg.
2314 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
2316 * c-common.h (flag_const_strings): Don't declare.
2317 * c-common.c (flag_const_strings): Remove.
2318 * c.opt (fconst_strings): Remove.
2319 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
2320 <OPT_Wwrite_strings>: Don't set flag_const_strings.
2321 (c_common_init_options): Don't set flag_const_strings.
2322 * doc/invoke.texi (-fno-const-strings): Remove documentation.
2324 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
2326 * arm.md (tlobits_cbranch): New pattern.
2327 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
2328 testing a single bit.
2330 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
2333 * tree-ssa-pre.c (create_component_ref_by_pieces):
2334 Handle RETURN_DECL like VAR_DECL.
2336 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
2339 * fold-const.c (fold_indirect_ref_1): Fold
2340 "*(foo *)&complexfoo" to "__real__ complexfoo"
2341 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
2343 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
2345 * tree-flow-inline.h (var_can_have_subvars):
2346 Volatile variables should not have subvariables.
2348 2006-02-09 Diego Novillo <dnovillo@redhat.com>
2351 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
2352 multiplying unsigned values.
2355 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
2357 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
2359 2006-02-08 Jason Merrill <jason@redhat.com>
2362 * tree.def: Elaborate on difference from MODIFY_EXPR.
2363 * doc/c-tree.texi (INIT_EXPR): Likewise.
2364 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
2365 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
2366 (gimplify_target_expr): Likewise.
2367 (gimplify_cond_expr): Remove target handling.
2368 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
2369 (gimplify_expr): Clobber it here.
2370 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
2371 Do return slot optimization if we have an INIT_EXPR.
2374 * tree-inline.c (declare_return_variable): Also clear
2375 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
2378 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
2381 * gimplify.c (gimplify_one_sizepos): Fix typo.
2383 2006-02-08 Jeff Law <law@redhat.com>
2385 PR tree-optimization/21417
2386 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
2387 across a backedge if the control statement at the end of the
2388 block is data dependent on other statements in the same block.
2389 (record_temporary_equivalences_from_stmts): Remove over-conservative
2390 test for threading across backedges.
2392 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
2393 control statement, handle all three special cases in the same
2394 manner as they all have the same desired solution. No longer
2395 special case edge flag updating when the post dominator is
2398 2006-02-08 Roger Sayle <roger@eyesopen.com>
2400 * tree.def (CHAR_TYPE): Remove.
2401 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
2402 * dwarf2out.c (base_type_die, is_base_type): Likewise.
2403 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
2404 (gen_string_type_die): Delete unreachable function.
2406 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
2407 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
2408 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
2409 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
2410 * builtins.c (type_to_class): Likewise.
2411 * fold-const.c (fold_convert, build_range_check,
2412 merge_ranges): Likewise.
2413 * expr.c (count_type_elements): Likewise.
2414 * c-pretty-print.c (pp_c_type_specifier): Likewise.
2415 * stor-layout.c (layout_type): Likewise.
2416 * ipa-type-escape.c (type_to_consider): Likewise.
2417 * gimplify.c (omp_firstprivatize_type_sizes,
2418 gimplify_type_sizes): Likewise.
2419 * explow.c (promote_mode): Likewise.
2420 * tree-sra.c (is_sra_scalar_type): Likewise.
2421 * varasm.c (output_constant): Likewise.
2422 * tree-inline.c (remap_type_1): Likewise.
2423 * convert.c (convert_to_pointer, convert_to_real,
2424 convert_to_integer, convert_to_complex): Likewise.
2426 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
2428 * df-scan.c (df_def_record_1): A set destination may
2429 be a parallel regardless of mode.
2431 2006-02-08 Roger Sayle <roger@eyesopen.com>
2434 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
2435 * config/mips/_tilib.c: Remove.
2436 * config/fixtfdi.c: New libgcc source file.
2437 * config/fixunstfdi.c: New source file.
2438 * config/floatditf.c: New source file.
2439 * config/floatunditf.c: New souce file.
2440 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
2441 files above instead of config/mips/_tilib.c.
2442 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
2444 2006-02-08 Jeff Law <law@redhat.com>
2446 PR tree-optimization/26169
2447 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
2450 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
2452 * df.h (DF_REG_SIZE): Return the length of the initialized
2455 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
2457 * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
2458 __muldf3): Return a correctly signed zero.
2460 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
2462 * passes.c (register_one_dump_file): Accept the current properties
2463 instead of pass number. Adjust call to dump_register. Remove
2465 (register_dump_files): Now a wrapper around...
2466 (register_dump_files_1): ... this one. Do not modify the pass
2468 (next_pass_1): Cosmetic fix.
2469 (execute_todo): Keep second parameter only. Use curr_properties
2470 instead of fetching it from the pass structure. Check and set
2472 (execute_one_pass): Handle TODO_set_props. Use curr_properties
2473 instead of fetching it from the pass structure. Fix calls to
2474 execute_todo. Update curr_properties and initialize .vcg RTL dump
2475 after running the pass. Reset last_verified.
2476 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
2478 (FIRST_AUTO_NUMBERED_DUMP): New.
2479 (dump_register): Remove "num" parameter, assign it within the
2481 (get_dump_file_name): Modify template for dumps.
2482 * tree-dump.h (dump_register): Adjust prototype.
2483 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
2484 (PROP_trees): Add PROP_gimple_lomp.
2485 (TODO_set_props): New.
2486 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
2487 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
2488 * cfgexpand.c (pass_expand): Destroy PROP_trees.
2490 2006-02-08 Jakub Jelinek <jakub@redhat.com>
2492 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
2493 (sparc64-*-linux*): Likewise.
2494 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
2495 * config/sparc/t-linux: New file.
2496 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
2497 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
2498 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
2499 -m32 -mlong-double-128.
2501 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
2502 * config/alpha/t-linux: New file.
2503 * config/alpha/libgcc-alpha-ldbl.ver: New file.
2505 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
2506 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
2507 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
2508 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
2509 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
2510 (CPP_ARCH32_SPEC): Remove.
2512 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
2514 PR tree-optimization/26145
2515 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
2518 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2521 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
2522 >= 240000 when generating code for SOM runtime.
2523 (output_indirect_call): Don't use "b,l" instruction for indirect calls
2524 to $$dyncall when generating code for SOM runtime..
2526 2006-02-07 Dirk Mueller <dmueller@suse.com>
2529 * doc/invoke.texi (-Wsequence-point): Update documentation
2530 that -Wsequence-point is implemented for C++ as well.
2532 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
2534 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
2535 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
2536 (LIB_SPEC): Likewise.
2537 * doc/invoke.texi (SPARC options): Document -pthread.
2539 2006-02-07 Geoffrey Keating <geoffk@apple.com>
2541 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
2544 2006-02-07 Roger Sayle <roger@eyesopen.com>
2546 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
2547 Correct comment describing BOOLEAN_TYPE.
2549 2006-02-07 Dirk Mueller <dmueller@suse.com>
2551 * c.opt: C++ frontend supports -Wdiv-by-zero.
2552 * c-opts.c (c_common_handle_option): Remove dead case.
2554 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
2556 * configure.ac (TLS assembler check): Do not enable TLS by
2557 default on SPARC/Solaris before version 10.
2558 * configure: Regenerate.
2560 2006-02-07 David Edelsohn <edelsohn@gnu.org>
2562 * doc/invoke.texi (xl-compat): Document conversion and support
2565 2006-02-07 Jeff Law <law@redhat.com>
2567 * tree-vrp.c (find_conditional_asserts): Update comments.
2568 (simplify_stmt_for_jump_threading): New.
2569 (identify_jump_threads, finalize_jump_threads): New.
2570 (vrp_finalize): Call identify_jump_threads.
2571 (execute_vrp): Call finalize_jump_threads.
2572 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
2573 (vrp_element, vrp_data, vrp_element_p): Remove.
2574 (vrp_hash_elt, vrp_variables_stack): Remove.
2575 (vrp_hash, vrp_eq, record_range): Remove.
2576 (simplify_cond_and_lookup_avail_expr): Remove.
2577 (extract_range_from_cond): Remove.
2578 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
2579 (simplify_stmt_for_jump_threading): New.
2580 (dom_thread_across_edge): New wrapper.
2581 (tree_ssa_dominator_optimize): No longer initialize or
2582 finalize any of the VRP datastructures. Remove iteration
2583 step and simplify as a result of removal of iteration step.
2584 (pass_dominator): Perform a cfg cleanup after DOM.
2585 (dom_opt_finalize_block): Use the new common routines
2586 for threading jumps. Simplify stack management slightly.
2587 No longer need to unwind VRP state.
2588 (record_equivalences_from_incoming_edge): No longer record
2590 (eliminate_redundant_computations): No longer call
2591 simplify_cond_and_lookup_avail_expr.
2592 * tree-flow.h (potentially_threadable_block): Prototype.
2593 (thread_across_edge): Likewise.
2594 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
2595 (tree-ssa-threadedge.o): Add dependencies.
2596 * tree-ssa-threadedge.c: New file.
2597 * passes.c (init_optimization_passes): Merge PHIs before
2598 calling VRP. Run VRP again late in the SSA optimization pipeline.
2600 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
2602 * df-core.c (df_set_blocks): Do not dereference function pointers.
2603 (df_finish1): Likewise.
2604 (df_hybrid_search_forward): Likewise.
2605 (df_hybrid_search_backward): Likewise.
2606 (df_iterative_dataflow): Likewise.
2607 (df_analyze_problem): Likewise.
2608 (df_compact_blocks): Likewise.
2609 (df_dump): Likewise.
2610 * df-scan.c (df_rescan_blocks): Likewise.
2611 (df_record_entry_block_defs): Likewise.
2613 * genconditions.c (write_conditions): Guard the definition of
2614 'insn_conditions' with the check on GCC version.
2615 (write_writer): Guard the traversal 'insn_conditions' with
2616 the check on GCC version.
2618 2006-02-07 Richard Guenther <rguenther@suse.de>
2622 2006-01-30 Richard Guenther <rguenther@suse.de>
2624 * gimplify.c (gimplify_target_expr): Handle easy cases
2625 without creating a temporary.
2627 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
2629 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
2630 use of float in probability computations. Use edge probabilities
2631 in place of statically computed probabilities.
2632 (min_spec_prob): New static variable.
2633 (schedule_insns): Initialize it.
2634 (GET_SRC_PROB): Removed.
2635 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
2637 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
2640 * config/ia64/unwind-ia64.c: Revert last change.
2641 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
2642 (INCOMING_FRAME_SP_OFFSET): Define.
2644 2006-02-06 Roger Sayle <roger@eyesopen.com>
2646 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
2648 2006-02-07 Ben Elliston <bje@au.ibm.com>
2650 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
2651 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
2652 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
2653 (ix86_return_in_memory): Handle TDmode.
2654 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
2655 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
2657 2006-02-06 Richard Sandiford <richard@codesourcery.com>
2659 * reorg.c (dbr_schedule): Use dump_file instead of file.
2661 2006-02-06 Steve Ellcey <sje@cup.hp.com>
2664 * config/ia64/predicates.md (extr_len_operand): New predicate.
2665 * config/ia64/ia64.md (extv): Tighten constraints.
2667 (*tbit_and_2): Ditto.
2668 (*tbit_and_3): Ditto.
2669 (*tbit_or_2): Ditto.
2670 (*tbit_or_3): Ditto.
2674 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
2677 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
2679 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
2681 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
2682 loop_optimizer_init and loop_optimizer_finalize
2683 * tree-ssa-sink.c (execute_sink_code): Ditto.
2684 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
2685 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
2686 tree_ssa_loop_done): Ditto.
2687 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
2688 * sched-ebb.c: Include output.h.
2689 (schedule_ebbs): Do not use dump argument.
2690 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
2691 * loop.c (loop_dump_stream): Removed.
2692 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
2694 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
2695 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
2696 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
2697 loop_iterations, strength_reduce, record_biv, record_giv,
2698 final_giv_value, check_final_value, check_ext_dependent_givs,
2699 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
2700 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
2701 dump_file instead of loop_dump_stream.
2702 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
2704 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
2706 * flow.c (life_analysis, rest_of_handle_life): Ditto.
2707 * haifa-sched.c: Include output.h
2708 (schedule_insns, sched_init): Do not use dump argument.
2709 * mode-switching.c (optimize_mode_switching): Ditto.
2710 * modulo-sched.c (stats_file): Removed.
2711 (print_node_sched_params): Do not call argument dump_file.
2712 (sms_schedule_by_order, loop_canon_p, sms_schedule,
2713 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
2715 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
2717 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
2718 rtl_loop_init, rtl_loop_done): Ditto.
2719 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
2720 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
2722 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
2723 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
2724 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
2725 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
2726 * emit-rtl.c (renumber_insns): Ditto.
2727 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
2728 expand_gimple_basic_block, tree_expand_cfg): Ditto.
2729 * regclass.c (regclass): Ditto.
2730 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
2731 remove_ssa_form, rewrite_out_of_ssa): Ditto.
2732 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
2733 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
2735 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
2736 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
2738 * gcse.c (gcse_file, debug_stderr): Removed.
2739 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
2740 rest_of_handle_gcse): Do not use dump argument.
2741 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
2742 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
2743 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
2744 compute_code_hoist_vbeinout, compute_code_hoist_data,
2745 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
2746 compute_store_table, build_store_vectors, insert_insn_start_bb,
2747 insert_store, remove_reachable_equiv_notes, replace_store_insn,
2748 store_motion): Use dump_file instead of gcse_file.
2749 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
2750 * profile.c (profile_dump_file): Removed.
2751 (branch_prob): Use dump_file instead of profile_dump_file.
2752 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
2754 * tree-ssa-copy.c (dump_copy_of): Ditto.
2755 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
2756 dump file to life_analysis.
2757 * bt-load.c (branch_target_load_optimize): Ditto.
2758 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
2760 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
2761 regclass, dbr_schedule): Declaration changed.
2762 * sched-int.h (sched_init): Declaration changed.
2763 * tree-profile.c (tree_profile_dump_file): Removed.
2764 (tree_profile_hooks): Removed profile_dump_file hook.
2765 * rtl-profile (rtl_profile_dump_file): Removed.
2766 (rtl_profile_hooks): emoved profile_dump_file hook.
2767 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
2769 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
2770 * tree-cfg.c (build_tree_cfg): Ditto.
2771 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
2772 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
2773 Declaration changed.
2774 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
2775 life_analysis and schedule_insns.
2776 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
2778 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
2780 * config/mips/mips.c (mips_reorg): Ditto.
2781 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
2784 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
2786 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
2787 (s390_mangle_fundamental_type): New.
2788 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
2791 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
2792 (alpha_mangle_fundamental_type): New.
2793 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
2796 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
2798 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
2800 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
2801 (sparc_mangle_fundamental_type): New.
2803 2006-02-06 Jakub Jelinek <jakub@redhat.com>
2805 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
2806 (s390x-*-linux*): Likewise.
2807 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
2808 * config/s390/t-linux: New file.
2810 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
2812 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
2813 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
2815 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
2817 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
2818 (ANTIC_SAFE_LOADS): New macro.
2819 (find_or_generate_expression): Add prototype.
2820 (set_contains_value): Allow null set for sake of not always having
2821 to allocate ANTIC_SAFE_LOADS.
2822 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
2823 Allow COMPONENT_REF too.
2824 (valid_in_set): Allow COMPONENT_REF.
2825 Check ANTIC_SAFE_LOADS too.
2826 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
2827 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
2829 (can_PRE_operation): Add COMPONENT_REF.
2830 (create_component_ref_by_pieces): New function.
2831 (create_expression_by_pieces): Use create_component_ref_by_pieces.
2832 (insert_aux): Move AGGREGATE_TYPE_P check here.
2833 (compute_avail): Set bb local stmt uids.
2834 (pass_pre): Use TODO_update_ssa_only_virtuals.
2836 2006-02-06 Ben Elliston <bje@au.ibm.com>
2838 * configure.ac: Unconditionally disable decimal float by default.
2839 * configure: Regenerate.
2841 2006-02-06 Ben Elliston <bje@au.ibm.com>
2843 * read-rtl.c (read_name): Terminate reading on EOF.
2845 2006-02-06 Ben Elliston <bje@au.ibm.com>
2847 * dfp.c (decimal_real_arithmetic): Change second argument type
2848 from int to enum tree_code. Do not always return true, but now
2849 return result of any call to decimal_do helper functions.
2850 * dfp.h (decimal_real_arithmetic): Update prototype.
2852 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
2854 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
2856 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
2859 * tree-cfg.c (cleanup_dead_labels): Also don't remove
2862 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
2864 * tree-vrp.c (cfg_loops): Removed.
2865 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
2866 Use current_loops instead of cfg_loops. Pass flags to
2867 loop_optimizer_init.
2868 * cfgloopmanip.c (fix_loop_structure): Update only available
2870 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
2871 loop_optimizer_init.
2872 * modulo-sched.c (build_loops_structure): Removed.
2873 (sms_schedule): Use loop_optimizer_init.
2874 * loop-init.c (loop_optimizer_init): Use flags to determine
2875 which properties of loops to prepare.
2876 (rtl_loop_init): Pass flags to loop_optimizer_init.
2877 * tree-ssa-sink.c (execute_sink_code): Ditto.
2878 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
2879 * tree-ssa-pre.c (init_pre): Ditto.
2880 * cfgloop.h (LOOPS_NORMAL): New.
2881 (loop_optimizer_init): Declaration changed.
2883 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2885 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
2886 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
2888 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
2890 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
2892 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
2893 * pa/t-pa64: Delete quadlib.c rule.
2894 * pa/x-ada: Revert last change.
2895 * pa/t-pa: Revert last change. Delete quadlib.c rule.
2897 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
2899 PR rtl-optimization/26087
2900 * rtlanal.c (canonicalize_condition): Do not cross basic block
2903 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
2906 * config/ia64/ia64.c: Include debug.h.
2907 (MAX_ARTIFICIAL_LABEL_BYTES): New.
2908 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
2909 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
2910 (process_epilogue, process_set, process_for_unwind_directive):
2911 Output unwind info only if requested. Add CFA info if requested.
2912 Add new arguments as needed. Adjust callers.
2913 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
2915 (DWARF2_FRAME_INFO): Define to zero.
2916 * config/ia64/unwind-ia64.c: Remove code that compensated for
2917 the CFA offset error fixed above.
2918 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
2919 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
2920 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
2921 -funwind-tables and -fexceptions to enable frame info.
2922 (dwarf2out_frame_init): Define initial CFA even if
2923 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
2924 DWARF2_UNWIND_INFO is nonzero, not just defined.
2925 (dwarf2out_frame_finish): Output non-EH call frame info only
2926 if DWARF2_FRAME_INFO is nonzero.
2927 (convert_cfa_to_loc_list,
2928 compute_frame_pointer_to_cfa_displacement): Define even if
2929 unwind info is not supported.
2930 (gen_subprogram_die): Use the above unconditionally. Remove
2931 legacy alternate code.
2932 * toplev.c (compile_file): Compile in call to
2933 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
2934 (lang_dependent_init): Ditto for dwarf2out_frame_init.
2936 2006-02-04 David Edelsohn <edelsohn@gnu.org>
2937 Jakub Jelinek <jakub@redhat.com>
2939 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
2940 IBM extended float format long double as "g" on powerpc*-linux.
2942 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2945 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
2946 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
2948 2006-02-03 Jason Merrill <jason@redhat.com>
2951 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
2954 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
2955 on the return slot if it's an NRV.
2957 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
2959 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
2960 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
2961 rewrite_use): Do not handle USE_OUTER.
2962 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
2963 add_iv_outer_candidates, may_replace_final_value,
2964 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
2965 (find_interesting_uses_op): Functionality of
2966 find_interesting_uses_outer_or_nonlin moved here.
2967 (find_interesting_uses_outside): Use find_interesting_uses_op.
2969 2006-02-03 Alan Modra <amodra@bigpond.net.au>
2972 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
2974 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
2975 Ulrich Weigand <uweigand@de.ibm.com>
2978 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
2979 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
2980 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
2981 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
2983 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
2984 (s390_rtx_costs): Use the new fields to calculate rtx costs.
2985 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
2986 Define secondary reloads for TFmode moves.
2987 (constant_modes): Add TFmode.
2988 (NR_C_MODES): Set to 8.
2989 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
2991 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
2992 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
2993 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
2994 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
2995 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
2996 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
2997 (FPR mode macro): Add TFmode.
2998 (DSF mode macro): New.
2999 (<de>, <dee> mode attributes): Removed.
3000 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
3001 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
3002 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
3003 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
3004 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
3005 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
3006 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
3007 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
3008 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
3009 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
3010 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
3011 "*negabs<mode>2", "sqrt<mode>2"):
3012 Changed <de> to <xde>. R constraint replaced by <Rf>.
3013 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
3015 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
3016 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
3017 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
3019 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
3020 "extenddftf2", "extendsftf2"): New expanders.
3021 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
3022 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
3023 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
3024 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
3026 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
3027 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
3028 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
3029 __floatditf): Add a GCC_4.1.0 symbol version tag.
3030 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
3033 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
3036 * config/i386/i386.c (ix86_function_ok_for_sibcall):
3037 Use targetm.binds_local_p instead of TREE_PUBLIC.
3039 2006-02-02 Roger Sayle <roger@eyesopen.com>
3041 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
3042 on INTEGER_TYPEs to indicate that it denotes a character type.
3043 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
3044 signed_char_type_node, unsigned_char_type_node and char_type_node.
3045 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
3046 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
3047 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
3049 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
3050 Daniel Berlin <dberlin@dberlin.org>
3052 * tree-tailcall.c (arg_needs_copy_p): New function.
3053 (eliminate_tail_call): Use arg_needs_copy_p.
3054 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
3055 (add_virtual_phis): New function.
3057 2006-02-02 Jakub Jelinek <jakub@redhat.com>
3059 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
3060 #ignore instead of #scratch for %g7 .register directive.
3062 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
3064 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
3067 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
3069 * flow.c (calculate_global_regs_live): Assert that there aren't any
3072 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
3074 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
3076 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
3077 bsi_after_labels iterator.
3078 * tree-if-conv.c (find_phi_replacement_condition,
3079 replace_phi_with_cond_modify_expr): Likewise.
3080 * tree-scalar-evolution.c (scev_const_prop): Likewise.
3081 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
3083 2006-02-02 Diego Novillo <dnovillo@redhat.com>
3085 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
3087 2006-02-02 Diego Novillo <dnovillo@redhat.com>
3090 * tree-cfg.c (move_block_to_fn): Clear out the basic block
3091 array after growing it.
3093 2006-02-01 Steve Ellcey <sje@cup.hp.com>
3096 * fold-const.c (fold_checksum_tree): Change type of buf.
3098 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
3100 * reload.c (push_secondary_reload): Initialize t_icode.
3102 2006-02-01 Jakub Jelinek <jakub@redhat.com>
3104 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
3105 -msoft-float -mlong-double-128 only issue a warning, but don't
3106 swich to DFmode long double.
3108 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
3110 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
3111 has a constant equivalent, iterate over equivalents for arg0,
3112 calling simplify_relational_operation and if there's a result
3113 cheaper than X, apply fold_rtx and return the result.
3115 2006-02-01 Jan Hubicka <jh@suse.cz>
3117 * opts.c (no_unit_at_a_time_default): New global variable.
3118 (decode_options): Use it.
3119 * opts.h (no_unit_at_a_time_default): Declare.
3121 2006-02-01 Paul Brook <paul@codesourcery.com>
3123 * function.c (assign_parm_setup_reg): Use function argument promotion
3125 * expr.c (expand_expr_real_1): Use function argument promotion rules
3128 2006-02-01 Steve Ellcey <sje@cup.hp.com>
3130 * gcc.c (process_command): Change j to 'unsigned int'.
3132 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
3135 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
3136 Use the corrected index for the character
3137 out of the string constant.
3139 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
3141 * mode-switching.c (optimize_mode_switching): Fix size
3142 allocated for bb_info[n_entities].
3144 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
3146 * gcc.c (main): Correct type that is allocated for
3147 explicit_link_files.
3149 2006-01-31 Jakub Jelinek <jakub@redhat.com>
3151 * config/s390/s390.c (init_alignment_context): Set
3152 ALIAS_SET_MEMORY_BARRIER on the MEM.
3153 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
3155 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
3158 * loop-unroll.c (unroll_loop_runtime_iterations): Free
3160 * tree-ssa-live.c (type_var_init): Allocate bitmap after
3163 2006-01-31 Marcin Dalecki <martin@dalecki.de>
3165 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
3166 * regrename.c: Ditto.
3167 * tree-ssa-loop-im.c: Ditto.
3168 * tree-dump.c: Ditto.
3169 * tree-complex.c: Ditto.
3170 * genrecog.c: Ditto.
3171 * tree-ssa-threadupdate.c: Ditto.
3173 * java/class.c: Ditto.
3174 * java/jcf-parse.c: Ditto.
3175 * java/resource.c: Ditto.
3176 * java/except.c: Ditto.
3177 * java/jvspec.c: Ditto.
3178 * java/jcf-write.c: Ditto.
3179 * java/jcf-path.c: Ditto.
3180 * java/gjavah.c: Ditto.
3181 * java/zextract.c: Ditto.
3182 * java/jcf-io.c: Ditto.
3183 * java/jcf.h: Ditto.
3184 * java/buffer.c: Ditto.
3185 * java/lang.c: Ditto.
3186 * java/parse-scan.y: Ditto.
3187 * java/lex.c: Ditto.
3188 * java/lex.h: Ditto.
3189 * cfgloopmanip.c: Ditto.
3190 * postreload-gcse.c: Ditto.
3191 * tree-ssa-loop-manip.c: Ditto.
3192 * postreload.c: Ditto.
3193 * tree-ssa-loop-ch.c: Ditto.
3197 * diagnostic.c: Ditto.
3199 * genoutput.c: Ditto.
3201 * cfghooks.c: Ditto.
3202 * cfgloopanal.c: Ditto.
3203 * objc/objc-act.c: Ditto.
3205 * genextract.c: Ditto.
3206 * genautomata.c: Ditto.
3207 * pretty-print.c: Ditto.
3209 * cgraphunit.c: Ditto.
3212 * haifa-sched.c: Ditto.
3213 * dominance.c: Ditto.
3215 * tree-ssa-loop-ivopts.c: Ditto.
3217 * mode-switching.c: Ditto.
3218 * modulo-sched.c: Ditto.
3220 * ipa-pure-const.c: Ditto.
3222 * fix-header.c: Ditto.
3224 * tree-stdarg.c: Ditto.
3225 * ipa-utils.c: Ditto.
3226 * loop-init.c: Ditto.
3227 * ipa-inline.c: Ditto.
3230 * alloc-pool.c: Ditto.
3231 * dwarf2out.c: Ditto.
3233 * genattrtab.c: Ditto.
3234 * tree-ssa-loop-ivcanon.c: Ditto.
3238 * fortran/gfortranspec.c: Ditto.
3240 * local-alloc.c: Ditto.
3241 * langhooks.c: Ditto.
3242 * function.c: Ditto.
3243 * tree-vectorizer.c: Ditto.
3245 * ipa-type-escape.c: Ditto.
3247 * tree-if-conv.c: Ditto.
3250 * tree-data-ref.c: Ditto.
3251 * loop-unroll.c: Ditto.
3252 * treelang/treetree.c: Ditto.
3255 * ggc-common.c: Ditto.
3257 * coverage.c: Ditto.
3259 * tree-cfgcleanup.c: Ditto.
3260 * tree-ssa-pre.c: Ditto.
3261 * cfgcleanup.c: Ditto.
3262 * loop-invariant.c: Ditto.
3264 * ipa-prop.c: Ditto.
3265 * print-tree.c: Ditto.
3266 * conflict.c: Ditto.
3267 * ggc-page.c: Ditto.
3268 * sched-deps.c: Ditto.
3269 * regclass.c: Ditto.
3270 * tree-object-size.c: Ditto.
3272 * bb-reorder.c: Ditto.
3273 * resource.c: Ditto.
3274 * var-tracking.c: Ditto.
3276 * df-problems.c: Ditto.
3277 * reg-stack.c: Ditto.
3280 * sched-rgn.c: Ditto.
3281 * tree-ssa-structalias.c: Ditto.
3282 * tree-ssa-reassoc.c: Ditto.
3283 * config/darwin-c.c: Ditto.
3284 * config/darwin.c: Ditto.
3285 * config/arm/arm.c: Ditto.
3287 * collect2.c: Ditto.
3290 2006-01-31 Nicolas Pitre <nico@cam.org>
3292 * arm.md (smaxsi3): Make aware of smax_m1.
3295 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
3297 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
3299 2006-01-31 Richard Guenther <rguenther@suse.de>
3301 * doc/invoke.texi (-msselibm): Document.
3302 * target.h (expand_library_builtin): New target hook.
3303 * builtins.c (expand_builtin): Use expand_library_builtin.
3304 (default_expand_library_builtin): New function.
3305 * gcc.c (LINK_GCC_MATH_SPEC): Define.
3306 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
3307 (link_gcc_math_spec): Declare.
3308 (static_specs): Add link_gcc_math_spec.
3309 * expr.h (default_expand_library_builtin): Declare.
3310 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
3311 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
3312 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
3313 * config/i386/i386.opt (msselibm): New target option.
3314 * config/i386/i386.c (ix86_builtin_function_variants): New array.
3315 (ix86_init_sse_abi_builtins): New function.
3316 (ix86_expand_library_builtin): Likewise.
3317 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
3318 (override_options): Handle error conditions wrt -msselibm.
3319 (ix86_builtins): Add function codes for SSE2 ABI builtins.
3320 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
3321 * doc/extend.texi (__builtin_sse2_*): Document new target specific
3324 2006-01-31 Richard Guenther <rguenther@suse.de>
3325 Paolo Bonzini <bonzini@gnu.org>
3327 * doc/install.texi (--disable-libgcc-math): Document.
3329 2006-01-30 Marcin Dalecki <martin@dalecki.de>
3331 * expr.h (expand_normal): new inline function.
3332 * builtins.c: use it, use EXPAND_NORMAL explicitely.
3334 * dwarf2out.c: use it.
3339 * config/sparc/sparc.c: use it.
3340 * config/i386/i386.c: use it.
3341 * config/rs6000/rs6000.c: use it.
3342 * config/arm/arm.c: use it.
3343 * config/mips/mips.c: use it.
3344 * stmt.c: use it, use EXPAND_NORMAL explicitely.
3346 2006-01-30 Roger Sayle <roger@eyesopen.com>
3348 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
3349 argv to the appropriate type.
3351 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
3353 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
3356 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
3359 * config/s390/s390.c (struct machine_function): New flag
3360 decomposed_literal_pool_addresses_ok_p.
3361 (s390_reorg): Set it before final stage of literal pool transforms.
3362 (s390_decompose_address): Only accept displacements of the form
3363 (minus (label_ref ...) (label_ref ...)) if that flag is set.
3365 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
3367 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
3368 the comparison routine return.
3370 2006-01-30 Michael Matz <matz@suse.de>
3372 * global.c (find_reg): Only evict for global regs.
3373 Take n_refs into account and dump more info.
3375 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
3378 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
3379 (pragma_trap, pragma_nosave_low_regs): Likewise.
3380 (current_function_anonymous_args): Likewise.
3381 (sh_deferred_function_attributes): New variable.
3382 (sh_deferred_function_attributes_tail): Likewise.
3383 (print_operand): For '@', look up trap_exit attribute.
3384 (calc_live_regs): Look up trapa_handler attribute. For trapa
3385 handlers, save/restore fpscr, but don't do any other
3386 interrupt-specific saves.
3387 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
3388 Fix check for partially saved registers to check for SHmedia.
3389 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
3390 (sh_output_function_epilogue): Don't clear any of the removed
3392 (sh_insert_attributes): Don't check pragma_interrupt.
3393 Insert deferred attributes. Check that interrupt attribute is
3394 present for other attributes that require its presence.
3395 (sh_attribute_table): Add new attributes trapa_handler and
3397 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
3398 Don't check for pragma_interrupt. Don't store argument.
3399 * sh.h (pragma_interrupt, sp_switch): Don't declare.
3400 (sh_deferred_function_attributes): Declare.
3401 (sh_deferred_function_attributes_tail): Likewise.
3402 * sh.md (sp_switch_1): Add operand. Change generator caller.
3403 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
3404 (*return_i): Don't use when trap_exit attribute is in effect.
3405 (*return_trapa): New insn pattern.
3407 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
3408 setting c_target_objs and cxx_target_objs.
3409 * t-sh: Add rule for sh-c.o.
3411 2006-01-30 Richard Guenther <rguenther@suse.de>
3414 * gimplify.c (gimplify_target_expr): Handle easy cases
3415 without creating a temporary.
3417 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
3419 * vec.h (safe_grow): Remove duplicated line.
3421 2006-01-29 Diego Novillo <dnovillo@redhat.com>
3424 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
3425 (expand_omp): ... here.
3426 (expand_omp_parallel): Only remove barriers for combined
3427 parallel+workshare constructs.
3429 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
3433 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
3434 * tree.c (build_qualified_type): Chain the new type to the original
3435 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
3436 a POINTER_TYPE or a REFERENCE_TYPE respectively.
3437 (build_pointer_type_for_mode): Only return unqualified types.
3438 (build_reference_type_for_mode): Likewise.
3440 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
3442 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
3443 * Makefile.in (CXX_COMPAT_WARN): Define.
3444 * configure: Regenerate.
3446 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
3449 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
3452 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
3454 * toplev.c: Fix thinko.
3456 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
3457 Marcin Dalecki <martin@dalecki.de>
3459 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
3460 (push_srcloc): Use XNEW.
3461 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
3463 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
3465 * df-core.c (df_set_blocks): Deleted all variable.
3467 2006-01-28 Ian Lance Taylor <ian@airs.com>
3469 * cgraphunit.c (cgraph_assemble_pending_functions): Call
3470 cgraph_output_pending_asms.
3472 2006-01-28 Zack Weinberg <zackw@panix.com>
3474 * c.opt: Add -W(no-)overlength-strings.
3475 * doc/invoke.texi: Document it.
3476 * c-opts.c (c_common_handle_option): -pedantic implies
3477 -Woverlength-strings, if not explicitly disabled already.
3478 (c_common_post_options): -Woverlength-strings defaults to off, and
3479 is always off for C++.
3480 * c-common.c (fix_string_type): Issue warning about strings longer
3481 than is portable only if warn_overlength_strings. Rearrange code
3482 a little for clarity.
3483 * configure.in: Check for -Wno-overlength-strings as well before
3484 enabling -pedantic in stage 1.
3485 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
3486 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
3488 * genconditions.c (write_header, write_one_condition)
3489 (write_conditions, write_writer): Consolidate very long strings
3490 that were broken up to fit in C89 portable limit. Don't use
3491 printf when fputs will do.
3493 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
3495 * combine.c (simplify_comparison <AND>): Check
3496 TRULY_NOOP_TRUNCATION before start using a subreg.
3498 * config/mips/mips.md (*branch_zero<mode>,
3499 *branch_zero<mode>_inverted, *branch_equality<mode>,
3500 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
3501 Remove mode check from comparisons.
3503 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
3505 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
3507 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
3509 * expmed.c (const_mult_add_overflow_p): Remove.
3510 * expr.h: Remove the prototype for const_mult_add_overflow_p.
3512 * recog.c (validate_replace_rtx_subexp): Remove.
3513 * recog.h: Remove the prototype for
3514 validate_replace_rtx_subexp.
3516 * integrate.h: Remove the prototype for
3517 copy_decl_for_inlining.
3518 * rtl.h: Remove the prototype for mark_constant_function.
3519 * tree-vectorizer.h: Remove the prototype for
3520 vect_strip_conversion.
3522 * modulo-sched.c (create_partial_schedule,
3523 free_partial_schedule, reset_partial_schedule): Make them
3526 * hooks.c (hook_bool_rtx_int_false): Remove.
3527 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
3529 2006-01-28 David Edelsohn <edelsohn@gnu.org>
3531 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
3532 and -mlong-double-128 are incompatible.
3533 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
3534 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
3535 (TARGET_LIBGCC2_CFLAGS): Define.
3536 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
3537 (TARGET_LIBGCC2_CFLAGS): Same.
3538 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
3540 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
3543 * c-typeck.c (build_binary_op): Perform implicit casts of
3544 operands before shortening them.
3546 * cfgloopmanip.c (split_loop_bb): Remove.
3547 * cfgloop.h: Remove the prototype for split_loop_bb.
3549 * cfgloop.c (flow_loop_outside_edge_p): Remove.
3550 * cfgloop.h: Remove the prototype for
3551 flow_loop_outside_edge_p.
3553 * emit-rtl.c (init_virtual_regs): Make it static.
3554 * function.h: Remove the prototype for init_virtual_regs.
3556 * recog.c (peephole2_optimize): Make it static.
3557 * recog.h: Remove the prototype for peephole2_optimize.
3559 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
3561 * df-scan.c (df_record_entry_block_defs): Check if
3562 INCOMING_RETURN_ADDR_RTX is defined.
3564 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
3565 Kenneth Zadeck <zadeck@naturalbridge.com>
3567 PR rtl-optimization/24762
3568 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
3569 * targhooks.c (hook_void_bitmap): New hook prototype.
3570 * targhoohs.h (hook_void_bitmap): Ditto.
3571 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
3572 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
3573 * target.h (live_on_entry): New function pointer.
3574 * df-scan.c (df_all_hard_regs): Removed.
3575 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
3576 (df_scan_free_internal): Added df->entry_block_defs.
3577 (df_scan_alloc): Ditto.
3578 (df_scan_dump): Ditto.
3579 (df_uses_record): Plumbed flag field properly thru calls.
3580 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
3581 This part fixes PR24762.
3582 (df_bb_refs_record): Added code to make the frame and arg
3583 pointers live in EH blocks.
3584 (df_refs_record): Added call to df_record_entry_block_defs.
3585 (df_record_entry_block_defs): New function.
3586 * df-core.c: Added comments to describe new artifical defs.
3587 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
3588 (entry_block_defs): New field in struct df.
3589 (df_all_hard_regs): Deleted.
3590 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
3591 * df-problems.c (df_ru_bb_local_compute_process_def):
3592 Added code to handle artifical defs in the entry to a function.
3593 (df_ru_bb_local_compute): Ditto.
3594 (df_rd_bb_local_compute_process_def): Ditto.
3595 (df_rd_bb_local_compute): Ditto.
3596 (df_lr_bb_local_compute): Ditto.
3597 (df_ur_bb_local_compute): Ditto.
3598 (df_urec_bb_local_compute): Ditto.
3599 (df_chain_create_bb): Ditto.
3600 (df_ur_local_finalize): Removed entry.
3601 (df_urec_init): Ditto.
3602 (df_urec_local_finalize): Ditto.
3603 (df_ri_bb_compute): Added detection of last use of pseudos.
3604 * Makefile.in (df-scan.o): Updated dependencies.
3605 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
3606 * config/mips/mips.c (mips_set_live_on_entry): Added.
3607 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
3609 * dce.c (marked_insn_p): Added code to handle artifical defs.
3611 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
3613 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
3615 (_mm_cvtsi128_si64): Likewise.
3616 (_mm_cvtsd_si64): Likewise.
3617 (_mm_cvttsd_si64): Likewise.
3618 (_mm_cvtsi64_sd): Likewise.
3619 (_mm_cvtsi64_si128): Likewise.
3620 * config/i386/mmintrin.h (_m_from_int64): Likewise.
3621 (_mm_cvtsi64_m64): Likewise.
3622 (_m_to_int64): Likewise.
3623 (_mm_cvtm64_si64): Likewise.
3624 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
3625 (_mm_cvttss_si64): Likewise.
3626 (_mm_cvtsi64_ss): Likewise.
3627 (_mm_cvtss_f32): Likewise.
3629 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
3631 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
3632 for pragma redefine_extname.
3634 2006-01-27 Jakub Jelinek <jakub@redhat.com>
3637 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
3638 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
3639 -mno-minimal-toc to previous content.
3640 (bispecs): Remove goal.
3641 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
3642 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
3643 compatibility aliases on powerpc-*-*gnu*.
3644 * config/rs6000/libgcc-ppc-glibc.ver: New file.
3645 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
3646 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
3647 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
3648 (ldblspecs): New goal.
3649 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
3650 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
3652 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
3653 L_sf_to_tf or L_df_to_tf is defined.
3655 2006-01-27 David Edelsohn <edelsohn@gnu.org>
3656 Alan Modra <amodra@bigpond.net.au>
3659 * config/rs6000/linux.h (POWERPC_LINUX): Define.
3660 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
3661 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
3662 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
3663 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
3664 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
3665 (rs6000_override_options): Initialize rs6000_ieeequad.
3666 Initialize TFmode format to ibm_extended_format if not
3668 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
3670 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
3671 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
3672 (function_arg_advance): IBM long double passed in two FPRs, not
3674 (function_arg): IBM long double passed in FPRs.
3675 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
3676 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
3677 Only multireg GPR aligned.
3678 (rs6000_init_libfuncs): Enable IBM long double functions if not
3680 (rs6000_generate_compare): Use IBM long double compare if not
3682 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
3683 (TARGET_IEEEQUAD): Define.
3684 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
3685 not TARGET_IEEEQUAD.
3686 * config/rs6000/rs6000.md: Enable TFmode patterns if
3688 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
3689 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
3690 and -mlong-double-128 are incompatible.
3691 * doc/invoke.texi (-mabi): Collect options together. Add
3692 ibmlongdouble and ieeelongdouble.
3694 2006-01-27 Richard Sandiford <richard@codesourcery.com>
3696 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
3698 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
3699 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
3700 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
3701 * rtl.h (rtunion_def): Remove rt_ptr.
3703 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
3704 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
3705 * config/i386/winnt.c (i386_pe_mark_dllexport)
3706 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
3708 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
3710 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
3712 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
3716 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
3717 pthread_key_delete. From John David Anglin. gthrw-ify
3718 pthread_getunique_np only if it it's not a macro. Delete
3720 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
3721 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
3722 __gthread_objc_condition_signal, __gthread_key_delete): Add
3723 "__attribute__ ((__unused__))" to unused arguments.
3724 (__gthread_recursive_mutex_init_function): Add missing return.
3725 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
3726 gthr-posix95.h: Use macro-based approach for name redirection
3727 on targets missing weakref.
3729 2006-01-26 Zack Weinberg <zackw@panix.com>
3731 * genconditions.c (write_header): In generated code, #ifdef out
3732 all includes and fake declarations, except includes of bconfig.h
3733 and system.h, unless GCC_VERSION >= 3001. Do not include
3734 gensupport.h in any case.
3735 (write_conditions): Generate a definition of struct c_test. Add
3736 a comment to the generated #endif.
3737 (write_one_condition): Escape backslashes in string too.
3738 (write_writer): Generated code must escape backslashes and quote
3739 marks (but not newlines) in the strings it writes.
3740 * Makefile.in (build/gencondmd.o): Update dependencies.
3742 2006-01-26 Steve Ellcey <sje@cup.hp.com>
3745 * Makefile.in (insn-automata.o): Add header file dependencies.
3746 * genautomata.c: Add includes.
3748 2006-01-26 Steve Ellcey <sje@cup.hp.com>
3751 * Makefile.in (insn-automata.o): Add -Wno-error flag.
3753 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
3755 * configure.ac: Expect target tools paths to be passed from the toplevel
3756 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
3758 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
3760 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
3763 * c.opt (Wpointer-sign): Init to -1.
3764 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
3765 OPT_pedantic, to 0 otherwise.
3766 * doc/invoke.texi: Update.
3768 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
3770 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
3771 constants provided by 80387 instructions in the destination mode.
3773 2006-01-26 Richard Guenther <rguenther@suse.de>
3774 Andrew Pinski <pinskia@physics.uc.edu>
3777 partial PR tree-opt/17064
3778 * tree-ssa-structalias.c (intra_create_variable_infos):
3779 Create heap variables for incoming parameters if
3780 flag_argument_noalias > 1.
3781 (find_what_p_points_to): Look through default defs of
3784 2006-01-26 Jeff Law <law@redhat.com>
3787 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
3788 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
3789 within the VR_RANGE, use the VR_RANGE as the result, not the
3791 (adjust_range_with_scev): Reject ranges from SCEV which are out of
3792 bounds for the type.
3794 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
3796 * tree-ssa-alias.c (maybe_create_global_var): Change
3797 subvar walking to an assertion that we don't have subvar'd variables.
3799 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
3802 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
3803 Use a new variable, inner. PARM_DECLs are always non-weak.
3805 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
3807 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
3810 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
3812 * config/mips/mips.md (*clear_upper32): New combiner pattern.
3814 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
3816 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
3817 (smax_insn, smin_insn, smax_0, smin_0): New.
3819 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
3822 * config/cris/cris.c (cris_order_for_addsi3): New function.
3823 * config/cris/cris-protos.h: Prototype it.
3824 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
3825 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
3826 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
3827 (split for "op.S1 [rx=rx+i],ry (swapped)")
3828 (split for "op(s|u).S1 [rx=rx+i],ry")
3829 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
3830 Apply cris_order_for_addsi3 when generating addsi3 insns.
3832 2006-01-25 Diego Novillo <dnovillo@redhat.com>
3834 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
3835 (TREE_BLOCK): Add call to EXPR_CHECK.
3837 2006-01-25 Diego Novillo <dnovillo@redhat.com>
3840 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
3841 * tree-pretty-print.c (dump_omp_clause): Extract from ...
3842 (dump_omp_clauses): ... here.
3843 (dump_generic_node): Handle OMP_CLAUSE.
3844 * tree.c (omp_clause_num_ops): New.
3845 (omp_clause_code_name): New.
3846 (tree_code_size): Handle OMP_CLAUSE.
3847 (tree_size): Likewise.
3848 (make_node): Document handling of OMP_CLAUSE.
3849 (tree_node_structure): Handle OMP_CLAUSE.
3850 (omp_clause_check_failed): New.
3851 (omp_clause_range_check_failed): New.
3852 (omp_clause_operand_check_failed): New.
3853 (build_omp_clause): New.
3854 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
3855 * tree.h (enum omp_clause_code): Declare.
3856 (OMP_CLAUSE_SUBCODE_CHECK): Define.
3857 (OMP_CLAUSE_RANGE_CHECK): Define.
3858 (OMP_CLAUSE_ELT_CHECK): Define.
3859 (omp_clause_check_failed): Declare.
3860 (omp_clause_operand_check_failed): Declare.
3861 (omp_clause_range_check_failed): Declare.
3862 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
3863 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
3864 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
3865 (OMP_CLAUSE_LASTPRIVATE): Likewise.
3866 (OMP_CLAUSE_IF_EXPR): Likewise.
3867 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
3868 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
3869 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
3870 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
3871 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
3872 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
3873 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
3874 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
3875 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
3876 (OMP_CLAUSE_CODE): Define.
3877 (OMP_CLAUSE_SET_CODE): Define.
3878 (OMP_CLAUSE_CODE): Define.
3879 (OMP_CLAUSE_OPERAND): Define.
3880 (struct tree_omp_clause): Declare.
3881 (union tree_node): Add field 'omp_clause'.
3882 * treestruct.def (TS_OMP_CLAUSE): Define.
3883 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
3884 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
3885 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
3886 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
3887 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
3888 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
3889 (OMP_CLAUSE): Define.
3890 * print-tree.c (print_node): Handle OMP_CLAUSE.
3891 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
3892 * c-typeck.c: Likewise.
3893 * gimplify.c: Likewise.
3894 * c-omp.c: Likewise.
3895 * tree-nested.c: Likewise.
3896 * tree-inline.c: Likewise.
3897 * c-parser.c: Likewise.
3898 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
3901 2006-01-25 Roger Sayle <roger@eyesopen.com>
3903 PR rtl-optimization/25703
3904 * combine.c (try_combine): Handle zero_extract and strict_low_part
3905 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
3907 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
3909 * global.c: Fix comment typos.
3911 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
3914 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
3915 Use output_addr_const instead of assemble_name.
3917 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
3919 * Makefile.in (sched-vis.o): Update dependencies.
3920 * haifa-sched.c (sched_finish): Clear current_sched_info.
3921 * cfg.c (dump_bb_info): New, split from dump_flow_info.
3922 (dump_flow_info): Call it.
3923 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
3925 * basic-block.h (dump_bb_info): Declare.
3926 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
3927 option, and apply options only for dump files whose TDF_RTL,
3928 TDF_TREE, or TDF_IPA bits match.
3929 * rtl.h: Declare new functions exported from sched-vis.c.
3930 * sched-vis.c: Enable also if scheduling is not used.
3931 (print_value): Print the mode of registers if not inside scheduling.
3932 (print_insn): Make it work outside the scheduler. Beautify the output
3934 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
3936 2006-01-25 Richard Sandiford <richard@codesourcery.com>
3938 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
3939 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
3940 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
3941 depending on the value of CONSTANT_POOL_ADDRESS_P.
3942 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
3944 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
3945 rather than SYMBOL_REF_DECL.
3946 (rtx_constant_pool): Remove const_rtx_sym_htab.
3947 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
3948 (init_varasm_status): Don't initialize const_rtx_sym_htab.
3949 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
3950 Remove handling of const_rtx_sym_htab.
3951 (find_pool_constant): Delete.
3952 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
3953 rather than find_pool_constant.
3954 (get_pool_constant_for_function): Delete.
3955 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
3957 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
3958 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
3959 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
3960 (SYMBOL_REF_CONSTANT): New macro.
3961 (get_pool_constant_for_function): Delete.
3962 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
3963 rather than SYMBOL_REF_DECL.
3964 (i386_pe_mark_dllimport): Likewise.
3965 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
3966 rather than SYMBOL_REF_DECL.
3967 * config/darwin.c (machopic_indirect_data_reference): Likewise.
3968 (machopic_indirect_call_target): Likewise.
3970 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
3972 * flow.c (delete_noop_moves): Add missing EOL to dump message.
3974 2006-01-25 Richard Sandiford <richard@codesourcery.com>
3976 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
3978 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
3980 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
3982 2006-01-24 David Daney <ddaney@avtrex.com>
3985 * configure.ac (enable_tls): New enable option.
3986 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
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